Containers for food or drink, usually metal.

• Metal vessels for liquids or preserved foods.
• Also watering cans for pouring water.

盛放食物或饮料的金属容器。

• 用于装液体或罐藏食品的金属罐。
• 也指浇水用的洒水壶。

Slang: headphones, especially large over-ear ones.

口语：耳机，尤指大的头戴式款式。

Third-person singular present of the verb can.

• Puts food or drink into cans for preservation.
• Fires someone from a job (informal).

动词 can 的一般现在时第三人称单数形式。

• 为保存而把食物或饮料装入罐头。
• （非正式）解雇某人。