Limescale
n. 水垢; 垢石
🗣️ 情景例句
You'll need to hurry up, or you'll miss the train.
你得快点，否则赶不上火车。
You're kidding, right?
你在开我玩笑吧？
I'm not sure that we can wait that long.
我不知道我们是否能够等那么久。