开始倒塌
Start to collapse
以上为机器翻译结果，长、整句建议使用 人工翻译 。
屋墙开始倒塌时，她逃了出来。
When the walls of the house started to crumble, she got out.
youdao
他们吹响喇叭，那些墙开始倒塌。
They blew the trumpet and the walls came tumbling down.
大墙开始倒塌，显然要用新材料来加固。
When the wall began to fall apart, it became clear that somebody should reinforce it with new materials.
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