Rhc
abbr. rubber hydrocarbon 橡胶烃
🗣️ 情景例句
if that will help.
假如那样有所帮助的话。
I'm sorry. I don't get what you're driving at.
抱歉，我不明白你的意思。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。