Hexafluoride
n. 六氟化物
🗣️ 情景例句
He plays games with his daughter every night after work.
下班后他每晚都和他的女儿玩游戏。
For how long?
要借多久？
When he was alone, he telephoned the hospital exchange and asked for Doctor Millington.
当房里只剩他一个人时，他挂通了医院的交换台，要求与米灵顿医生讲话。