英語で「mainstem」はどう発音する？
main·stem
実際の動画クリップの中でネイティブが文脈に合わせて「mainstem」を発音するのを聴く
Linguistic Pronunciation Masterclass: “mainstem”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
main
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
stem
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: Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels.
How Native Speakers Say It: Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).
Connected Speech & Natural Conversational Flow
When "mainstem" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "mainstem is" sounds like "mainstem-iz").
In natural sentences, avoid over-stressing "mainstem" unless it conveys the core contrast or focal point of your message.
Authentic Spoken Quotes from Native Video Context
“the left or right mainstem bronchus which and then into your lungs and an”— StanfordWatch clip
“other side this is the left mainstem working our way down there's the Airways”— StanfordWatch clip
“up our lungs so here's the trachea and the right mainstem bronchus left”— StanfordWatch clip
“Airways like your trachea and your left and right mainstem bronchus and the”— StanfordWatch clip
“as you move down so right there moving down the right mainstem looking”— StanfordWatch clip
“mainstem bronchus is hidden but you can see how many branches and how find those branches become and I'm going to give you more of a feeling with that with”— StanfordWatch clip
「mainstem」のスピーキング練習
ネイティブの発音を聞き、マイクに向かってセンテンスを復唱すると、リアルタイムで単語ごとの発音精度スコアが表示されます。
the left or right mainstem bronchus which and then into your lungs and an
文脈で聴く: “mainstem”
7 件のクリップThe 英語 word “mainstem”. Phonologically, it consists of 2 syllables (main · stem). Grammatically, “mainstem” functions as a noun. SayItVid indexes 7 authentic 英語 video clips demonstrating how native speakers articulate “mainstem” in natural connected speech across American (US: 7 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from Stanford.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USStanfordClip #1 · @8:39
“having shape and your ears shapely so air moves down the trachea and then into the left or right mainstem bronchus which and then into your lungs and an ever dividing bronchial tree see I might be want to use this if you look at the”
- 🇺🇸 USStanfordClip #2 · @72:02
“stranding being moved up by the mucociliary escalator look down the other side this is the left mainstem working our way down there's the Airways to the left upper lobe you can see vessels and the walls and again the”
- 🇺🇸 USStanfordClip #3 · @9:08
“been digested away and you're just left with the profusion of airways that make up our lungs so here's the trachea and the right mainstem bronchus left mainstem bronchus is hidden but you can see how many branches and how find those”
- 🇺🇸 USStanfordClip #4 · @14:50
“resistance to airflow not much flow in terms of velocity whereas in the upper Airways like your trachea and your left and right mainstem bronchus and the larger Airways more centrally in your lung”
- 🇺🇸 USStanfordClip #5 · @71:28
“this is the left mainstem and I'll give you a little feel for what it looks like as you move down so right there moving down the right mainstem looking up in the right upper lobe there's three divisions and then there's the middle”
意味と定義: “mainstem”
- The principal watercourse of a river that has multiple streams
動画内の例文 (3)
- “Piramutaba (Brachyplatystoma vaillantii) make up a second large export fishery and are found almost exclusively in the Amazon River mainstem, whitewater tributaries, and the estuary [30 –32 ].”
- “the left or right mainstem bronchus which and then into your lungs and an”
- “other side this is the left mainstem working our way down there's the Airways”
よく使われるフレーズ・コロケーション
発音が全く同じ単語（同音異義語）
固有の発音「mainstem」 には一般的な語彙において同音異義語がありません。
「mainstem」に関するよくある質問
「mainstem」の音節（シラブル）数はいくつですか？
「mainstem」には 2 つの音節があります：main · stem。
「mainstem」の意味は何ですか？
The principal watercourse of a river that has multiple streams
「mainstem」が実際に使われている文を聞くには？
このページには、字幕付きの動画例文が 7 件収録されています。「前へ / 次へ」（または矢印キー ← / →）を使って発音される瞬間をピンポイントで再生できます。
What is the most common pronunciation mistake when saying “mainstem”?
Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels. Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).