0 If a roof or ceiling falls in, it drops to the ground because it is damaged. -- (屋頂或天花板)坍塌,塌陷
Ten miners were trapped underground when the roof of the tunnel fell in. 坑道頂部坍塌,十名礦工被困地下。
1 If soldiers fall in, they form a line or move in a line, one behind the other. -- 列隊;集合
He started to march away, and the others fell in behind him. 他開始大步前進,其他人列隊緊隨其後。
"Company, fall in!" shouted the sergeant-major. 「全連集合!」士官長喊道。
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European
2021年8月16日
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