Pentachlorated
五氯化的
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
After my core courses are finished, I'll be doing independent study.
在完成基础课程之后，我将作独立的研究。
It's nice to finally meet you.
很高兴终于与你见面了。