Phthalidyl
2-苯并[C]呋喃酮亚基
🗣️ 情景例句
We've been looking forward to seeing you again.
我们非常盼望再见到你。
Money spent on the brain is never spent in vain.
智力投资，决非虚掷。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。