瓶帽

例句：

1. 1. The bottle cap fits perfectly onthe neck of the bottle.
   瓶盖完美地套在瓶子的颈部。
2. 2. The bottle capis made of metal and can be easilyremoved.
   瓶盖由金属制成，可以很容易地拆卸。
3. 3. The bottle cap protects thebottle from dust and moisture.
   瓶盖保护瓶子免受灰尘和湿气的影响。