Ethylizer
加铅计量泵
🔁 扩展释义
【化】 乙基化器(将气缸加四乙铅溶液的装置)
🗣️ 情景例句
What do you suppose he wanted?
你认为他想要什么？
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
In the evening, the children come home from school.They arrive home early.
傍晚，孩子们放学回家。他们到家很早。