Byerite
粘结沥青煤
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
Ouch! I fell down and cut my knee!
好痛呦！我跌倒割伤了膝盖！
Where did you learn to speak English?
你从哪里学会说英语的呢？