Benzfluorene
[机] 苯并芴
🗣️ 情景例句
Richard, how much broccoli do I need for seven people? Richard
七个人吃需要多少花椰菜
Sail while the wind blows; wind and tide wait for no man.
驶船要乘风，风潮不等人。
Yes, I am. Please be careful, Meimei. Don't go too high.
是的，我扶着呢，小心点儿，梅梅。不要上得太高！