Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
He always makes me laugh.
他总是让我笑。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。