这个旧门上的两个螺丝松了。
Two screws in this old wooden door have worked themselves free.
灯上的螺丝钉松了。
空难发生的原因是机翼上的一根螺丝松了。
The air crash took place because a screw on the plane's wing came loose.
这机器的螺丝钉松了，你要上紧。
The screw on the machine seems loose; you need to tighten it up.
行李箱里有个螺丝松了，导致了卡嗒卡嗒声的噪音，很烦人。
One screw is loose in the luggage compartment. As a result, an unpleasant rattling noise bothers me.
行李箱里有个螺丝松了，导致了卡嗒卡嗒声的噪音，很烦人。
One screw is loose in the luggage compartment. As a result, an unpleasant rattling noise bothers me.
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