Conclusions: An intact syndesmosis screw was associated with a worse functional outcome compared with loose, fractured, or removed screws.

结论：相对于下胫腓螺钉断裂，松动或取出的情况，下胫腓联合螺钉完整的患者通常功能较差。

youdao

The air crash took place because a screw on the plane's wing came loose.

空难发生的原因是机翼上的一根螺丝松了。

youdao

Bill must have a screw loose somewhere; he's acting really strangely.

比尔肯定是哪里不对劲了，他的行为很奇怪啊。

youdao

"At first, I thought the chair I was sitting on had a screw loose or something, " Osman said.

CNN: At least 1,100 dead from Indonesia quakes, UN official says

Even his captain Graeme Smith says Nel has "a screw loose".

BBC: Cricket's craziest man