a thin pointed piece of metal with a raised edge twisting round along its length and a flat top with a cut in it, which is used to join things together, especially pieces of wood
发音
例句
1. Let's screw the two pipes together end to end. 咱们把这两根管子接起来拧紧。 2. Can you screw up this handle for me? 你能帮我把这个把手拧紧吗?