Elementary substance
[化] 单质
🧩 词语组成解析
🗣️ 情景例句
I have a question.
我有一个问题。
Grasp the nettle and it won't sting you.
困难像弹簧，你硬它就软。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。