Hexafluorobenzene
[化] 六氟苯; 六氟代苯
🗣️ 情景例句
Good. Can we sign them right away?
好的。我们现在可以签合同了吗？
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
Without it we could not make a living.
要是没有这条河，我们就无法生存下去。