Bitumogene
沥青成因
🗣️ 情景例句
I'm Elsa Tobin. How do you do?
我叫Elsa Tobin ，你好。
Heaven helps those who help themselves.
天助自助者。
A short while ago, however, he became a bus driver and he has not regretted it.
然而就在前不久，他开上了公共汽车，也并不为此而感到后悔。