Entrapped air
[機] 裹入氣
?? 詞語組成解析
v. 使陷入圈套, 使入陷阱( entrap的過去式和過去分詞 )
air
[??]
n. 天空;氣氛;空運;（簡單易記的）曲調;
vt.& vi. 晾曬;烘干;播送;廣播;
vt. 使房間通風， 透氣;
??? 情景例句
Are you carrying any items that need to be declared?
你沒有攜帶需要申報的東西嗎？
To drink brandy
喝白蘭地
It was from the study of these that so much was learnt about the interior of the earth.
正是從這兩種波的研究中，我們可以了解到地球內部的許多情況。