Cách phát âm "hemiacetal" trong tiếng Anh
he·mi·a·ce·tal
Nghe người bản ngữ nói hemiacetal theo ngữ cảnh trong các đoạn video thực tế
Linguistic Pronunciation Masterclass: “hemiacetal”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
he
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
mi
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
a
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
ce
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
tal
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
Keep the vowel length balanced, placing subtle emphasis on the root morpheme according to standard conversational rhythm.
Common Pronunciation Traps & Learner Mistakes
The Trap: Pronouncing a hard, aspirated [tʰ] in casual conversation can sound overly formal in North America.
How Native Speakers Say It: In American English, a single "t" between vowels quickly taps against the alveolar ridge like a soft "d" ([ɾ]). In British English, maintain a crisp aspirated [tʰ].
Connected Speech & Natural Conversational Flow
When "hemiacetal" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "hemiacetal is" sounds like "hemiacetal-iz").
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "hemiacetal" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“So the hemiacetal here, treat it with acid, protonate, lose that, and you've got the ketone now.”— YaleCoursesWatch clip
“There in the hemiacetal, the carboxylate's not there yet.”— MIT OpenCourseWareWatch clip
“The sugar world actually has lots of special vocabulary: the hemiacetal carbon of a sugar is called the anomeric carbon.”— Native SpeakerWatch clip
“H from the six carbon and I'm going to fuse that with the O hiv-1 carbon I'm gonna get them I haven't hemiacetal to an alcohol reaction so I'm going to get”— Ninja NerdWatch clip
“A stable five-membered ribose ring forms when the D- or L-determining hydroxyl group forms a hemiacetal with the aldehyde at carbon 1.”— Native SpeakerWatch clip
“Or it could be a nitrogen, and then the equivalent of a hemiacetal for nitrogen is called a carbinolamine.”— YaleCoursesWatch clip
Luyện phát âm từ “hemiacetal”
Nghe người bản xứ phát âm, ghi âm giọng nói của bạn khi lặp lại câu vào micro và nhận điểm chính xác từng từ trong thời gian thực.
So the hemiacetal here, treat it with acid, protonate, lose that, and you've got the ketone now.
Nghe theo ngữ cảnh: “hemiacetal”
20 đoạn clipThe Tiếng Anh word “hemiacetal”. Phonologically, it consists of 5 syllables (he · mi · a · ce · tal). Grammatically, “hemiacetal” functions as a noun. SayItVid indexes 20 authentic Tiếng Anh video clips demonstrating how native speakers articulate “hemiacetal” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from YaleCourses, MIT OpenCourseWare, Ninja Nerd.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USYaleCoursesClip #1 · @13:23
“What does it do, what does a hemiketal do? Loses alcohol. Right? So the hemiacetal here, treat it with acid, protonate, lose that, and you've got the ketone now. Right?”
- 🇺🇸 USMIT OpenCourseWareClip #2 · @6:33
“in the hydroxyl group. There in the hemiacetal, the carboxylate's not there yet. So you can't put in the active species, or they turn over.”
- 🇺🇸 USClip #3 · @4:34
“But we can get even more specific in what we call them! The sugar world actually has lots of special vocabulary: the hemiacetal carbon of a sugar is called the anomeric carbon. the hemiacetal carbon of a sugar is called the anomeric carbon.”
- 🇺🇸 USNinja NerdClip #4 · @9:08
“two three four five six now what I'm going to do is I'm going to take this o H from the six carbon and I'm going to fuse that with the O hiv-1 carbon I'm gonna get them I haven't hemiacetal to an alcohol reaction so I'm going to get gonna get them I haven't hemiacetal to an alcohol reaction so I'm going to get”
- 🇺🇸 USClip #5 · @5:14
“Our new OH group can be on either side of the Fischer Projection. A stable five-membered ribose ring forms when the D- or L-determining hydroxyl group forms a hemiacetal with the aldehyde at carbon 1. forms a hemiacetal with the aldehyde at carbon 1.”
Định nghĩa & Ý nghĩa: “hemiacetal”
- Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen).
Câu ví dụ trong ngữ cảnh (2)
- “Loses alcohol. Right? So the hemiacetal here, treat it with acid, protonate, lose that, and you've got the ketone now.”
- “There in the hemiacetal, the carboxylate's not there yet.”
Cụm từ và cấu trúc thông dụng
Phát âm: “hemiacetal”
- Âm tiết:
- he · mi · a · ce · tal
- Nghe theo ngữ cảnh
- hemiacetal
Các từ có phát âm giống nhau (Từ đồng âm)
Âm thanh đặc trưngKhông có từ đồng âm chuẩn nào được ghi nhận cho "hemiacetal" .
Các câu hỏi thường gặp về hemiacetal
Từ "hemiacetal" có bao nhiêu âm tiết?
Từ "hemiacetal" có 5 âm tiết: he · mi · a · ce · tal.
Từ "hemiacetal" có nghĩa là gì?
Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen).
Làm thế nào để nghe từ "hemiacetal" trong câu thực tế?
Trang này có 20 ví dụ video thực tế của từ "hemiacetal" kèm phụ đề đồng bộ. Sử dụng nút Trước / Tiếp theo (hoặc phím mũi tên ← / →) để nghe chính xác thời điểm từ được phát âm.
What is the most common pronunciation mistake when saying “hemiacetal”?
Pronouncing a hard, aspirated [tʰ] in casual conversation can sound overly formal in North America. In American English, a single "t" between vowels quickly taps against the alveolar ridge like a soft "d" ([ɾ]). In British English, maintain a crisp aspirated [tʰ].