Perfluamine
全氟三丙烷
🗣️ 情景例句
Mid terms are coming soon.
很快就期中考试了。
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。
I'm usually just using the search engines to look up information.
我通常只是用搜索引擎找一些资料。