Penetrant test
[化] 渗透试验
🧩 词语组成解析
a. 渗[穿]透的
🗣️ 情景例句
How's everything with you?
你一切如何？
Grasp the nettle and it won't sting you.
困难像弹簧，你硬它就软。
I'm worried that something has happened to her.
我担心她出了什么意外。