vi. 1.(屋顶等)倒塌，塌下；(政府等)崩溃，瓦解。 2.(价格等)暴跌；(计划等)失败；(身体、健康等)衰退，消沉，颓丧；(用具等)折叠，压扁；压缩。 vt. 1.使倒塌；使崩溃，使衰弱。 2.折叠。 n. 1.倒塌，崩溃，衰弱。 2.(价格等的)暴跌。 3.【医学】虚脱；萎陷。
the act of throwing yourself down; "he landed on the bed with a great flop" 同义词：flop,
a natural event caused by something suddenly falling down or caving in; "the roof is in danger of collapse"; "the collapse of the old star under its own gravity"
a sudden large decline of business or the prices of stocks (especially one that causes additional failures) 同义词：crash,
an abrupt failure of function or complete physical exhaustion; "the commander''s prostration demoralized his men" 同义词：prostration,
collapse due to fatigue, an illness, or a sudden attack 同义词：break down,
lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"
break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice" 同义词：fall in, cave in, give, give way, break, founder,
cause to burst; "The ice broke the pipe" 同义词：burst,
fall apart; "the building crumbled after the explosion"; "Negotiations broke down" 同义词：crumble, crumple, tumble, break down,
fold or close up; "fold up your umbrella"; "collapse the music stand"
例句与用法
1.
The tower collapsed in a heap of ruin . 这座塔倒塌了，成为一堆废墟。
2.
Vermiculite tends to collapse in a short time . 蛭石在短期内就会分解。
3.
The soviet base would not soon collapse . 苏维埃的基础不会马上崩溃的。
4.
The roof collapsed under the weight of the snow . 屋顶被雪压塌了。
5.
She looked ready to collapse at any minute . 她看样子随时都可能垮下来。
6.
Many repetitions can result in collapse . 多次反复就能导致断裂。
7.
Polish resistance would soon collapse . 波军的抵抗将一触即溃。
8.
The earthquake caused many buildings to collapse .. 地震使许多建筑物倾倒。
9.
All opposition to the scheme has collapsed . 对这一计划的反对意见都已瓦解。
10.
The enterprise collapsed through lack of support . 该企业因无力支持而倒闭。
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