nail bearing

例句：

1. 1. The car was held together by several nail bearings.
   这辆车通过几个钉子支撑在一起。
2. 2. The old house needed some nail bearings to be fixed.
   这所旧房子需要一些钉子来固定。
3. 3. The engineer used a nail bearing to hold the wooden planks together.
   工程师用一个钉子支撑把木板连接起来。