Simple substance
[化] 单质
🧩 词语组成解析
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
for he brought science to the game.
是他把科学引进了这项运动。