Phthalimidine
苯并[C]吡咯酮
🗣️ 情景例句
Who?
谁呀？
I wanted to say at first the tall one, or the one with blond hair.
刚开始我会介绍说金发的。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。