Simple substance
[化] 单质
🧩 词语组成解析
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
I don't know about the rest of you, but I'd like a break.
我不知道你们是否要休息，但我想休息片刻。
For one agonizing moment, the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.
在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去了平衡，又跌回水中。