1·Rescuers used props to stop the roof of the tunnel collapsing.
救援人员用支柱防止隧道顶塌陷。
—— 《牛津词典》
2·The building is in danger of collapsing.
这栋建筑有垮塌的危险。
—— 《牛津词典》
3·He made it to the summit of Kilimanjaro before collapsing.
他成功登上乞力马扎罗山峰顶后倒下了。
—— 《柯林斯英汉双解大词典》
4·The town's old quayside is collapsing after years of neglect.
这座小镇的旧码头区在多年疏于保养后快要坍塌了。
—— 《柯林斯英汉双解大词典》
5·There is some risk of the lung collapsing again, but he is out of danger.
肺部的确存在再次衰竭的危险，但他脱离危险期了。
—— 《柯林斯英汉双解大词典》
6·She arrived home exhausted and barely capable of showering before collapsing on her bed.
她到家的时候累极了，几乎无法去淋浴就瘫倒在床上。
—— 《柯林斯英汉双解大词典》
7·They've entered this new confederacy because the central government's been unable to control the collapsing economy.
他们已经参加了这个新同盟，因为中央政府已经不能控制摇摇欲坠的经济了。
—— 《柯林斯英汉双解大词典》
8·In Venezuela, collapsing oil prices have sent its economy into free-fall.
油价暴跌导致委内瑞拉经济猛跌。
9·In architecture, a keystone in an archway or doorway is the stone that holds the whole thing together, and keeps it from collapsing.
建筑学中，拱道或门口的拱心石，是把建筑整体连接在一起来防止它倒塌的石头。
10·A 16th-century castle in Scotland is close to collapsing after lumps of soil were washed away by floods, threatening its foundations.
苏格兰一座16世纪的城堡即将坍塌，因为洪水冲走了大块大块的泥土，对地基造成了威胁。