Sardines are a kind of small sea fish, often eaten as food.
例句
They opened a tin of sardines.他們打開了一罐沙丁魚。
PHRASE
像沙丁魚般緊緊擠在一起;擁擠不堪
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.
例句
The refugees were packed like sardines.難民們像罐頭里的沙丁魚般緊緊擠在一起。