| 释义 |
fall in
phrasal verb with fallverbuk /fɔːl/ us /fɑːl/fell | fallen
(ROOF)
If a roof or ceiling falls in, it drops to the ground because it is damaged: （屋顶或天花板）坍塌，塌陷
Ten miners were trapped underground when the roof of the tunnel fell in.坑道顶部坍塌，10名矿工被困地下。
SMART Vocabulary: related words and phrases
Destroying and demolishing
annihilate
annihilation
apocalypse
bash
bash through (something)
be sacrificed on the altar of somethingidiom
costly
dynamite
erosion
erosional
erosionally
erosive
saboteur
sack
sacking
sacrifice
scarred
self-destruct
sink
wipe
(SOLDIERS)
If soldiers fall in, they form a line or move in a line, one behind the other: 列队;集合
"Company, fall in!" shouted the sergeant-major.“全连集合！”军士长喊道。
fall in behindHe started to march away, and the others fell in behind him.他开始大步前进，其他人列队紧随其后。
Compare
fall out(SOLDIERS)
SMART Vocabulary: related words and phrases
Military training & ceremonies
assault course
attention
civil defence
drill
drumhead
ease
fall
fatigue
fight song
march
national service
obstacle course
pass out
passing-out
recon
reconnaissance
route march
salute
tour
troop
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