Bitumogene
沥青成因
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
Are you over your cold yet?
你伤风好了吗？
I told him the whole story. He laughed. You're great! I'm going to tell everyone.
我把整个事情都告诉了他。他笑了。“你真了不起！我要对大家说