Phstocatalyzer
[医] 光催化剂
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
Praise makes good men better, and bad men worse.
赞扬使好人更好，坏人更坏。
Is it in the box?
在这个箱子里吧？