放气阀,放汽阀
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Before leaving on vacation, a German couple set up a loudspeaker and timer rigged to blast their neighbors with the sound of a crowing cock every morning.
一对德国夫妇在外出度假前安装好了扩音器和定时装置,使其在每天凌晨用刺耳的公鸡啼叫声骚扰邻居。
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