Brachytracheae
短气管
🗣️ 情景例句
Now for the hard part.
现在到了最难的部分。
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。