Boroethane
乙硼烷
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
I envy you your health.
我羡慕你健康和身体。
I think that maybe his Chinese teacher will give Jim some work to do during the holiday.
我想吉姆的汉语老师也许会给他布置一些假期作业。