1N-COUNT 沙丁鱼Sardines are a kind of small sea fish, often eaten as food. 沙丁鱼
They opened a tin of sardines.
他们打开了一罐沙丁鱼。
2PHRASE 像沙丁鱼般紧紧挤在一起;拥挤不堪 If you say that a crowd of people are packed like sardines, you are emphasizing that they are sitting or standing so close together that they cannot move easily. 像沙丁鱼般紧紧挤在一起;拥挤不堪 [emphasis]