Rhc
abbr. rubber hydrocarbon 橡胶烃
🗣️ 情景例句
Today I'm so happy; I found a new boyfriend.
今天我很高兴，我又找了个新男朋友。
I went to bed at 11:30 p.m.
我在晚上11:30点睡觉了。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。