wrecking ball
US /ˈrek.ɪŋ ˌbɔːl/
UK /ˈrek.ɪŋ ˌbɔːl/

1.
拆迁球, 拆除球
a heavy steel ball swung from a crane, used for demolishing buildings
:
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The old factory was brought down by a wrecking ball.
旧工厂被拆迁球拆除了。
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You can hear the clang of the wrecking ball from blocks away.
几条街外都能听到拆迁球的撞击声。