Bromoethylene
溴乙烯, 溴化乙烯
🗣️ 情景例句
Now I can help diaper him.
我现在可以帮他换尿布了。
Is there a subway station nearby?
这附近有没有地铁车站？
How long have you been at this school?
你到这学校有多么时间了？