桥上的钉子自己松动了。

The nails in the bridge had worked themselves loose.

点击显示答案

The nails in the bridge had worked themselves loose.

loose 是形容词,意思是"松动的、不牢固的"。这里描述钉子从原本固定状态变得松动的情况。

在 App 中完整学习这张卡片

在 App 中学习