Pholocatalyst
[医] 光催化剂
🗣️ 情景例句
I'm sure it's in your purse, Mrs. Tobin.
我相信是在你的皮包 Tobin太太。
I try to keep in touch with current events by reading the newspapers.
我经常读报以尽量了解时事。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。