螺栓 (luó shuān) — bolt (mechanical fastener), screw bolt

定義

例文

• 他需要一把扳手来拧紧这个螺栓。
  Tā xū yào yì bǎ bān shǒu lái níng jǐn zhè ge luó shuān.
  He needs a wrench to tighten this bolt.
• 这个螺栓的型号不对，得换一个。
  Zhè ge luó shuān de xíng hào bú duì, dé huàn yí gè.
  The model of this bolt is wrong; it needs to be replaced.
• 机器上的几个螺栓已经生锈了。
  Jī qì shàng de jǐ gè luó shuān yǐ jīng shēng xiù le.
  Several bolts on the machine have rusted.