Phthalimido
苯二(甲)酰亚氨基
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
It's ten minutes to four.
现在差十分四点。
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。