Marken
软炭质页岩
🗣️ 情景例句
... and I do need some advice on a difficult problem.
……我的确有一个难题要请教你。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
There, on the floor. Is it your ticket?
那儿，地板上！是你的票吗？