Photoadsorption
n. 光致吸附
🗣️ 情景例句
at all the great places in the city.
去城市所有的好地方看看。
Check-in time is 8:45.
8点45分办理登机手续。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。