Tpb
[医][=tetraphenylbacteriochlorin]四苯基菌绿素
🗣️ 情景例句
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
An oak is not felled at one stroke.
万事不能一蹴而就。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前请你吃饭。周四怎么样？