Fins
n. 鳍片, 散热翅片；五元纸币（fin的复数形式）
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
I still like to climb trees!
我直到现在还喜欢爬树。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。