Microdiffusion
[化] 微量扩散
🗣️ 情景例句
You're welcome.
别客气，欢迎你再来。
We are happy to be of help.
我们十分乐意帮助。
When he learnt that he would be sent abroad, he returned to the farm and his father hid him until the end of the war.
当他了解自己将被派遣出国时，他逃回农场，父亲把他藏了起来，直到战争结束。