Narceol
乙酸对甲酚酯
🗣️ 情景例句
Good-bye, Susan.
再见， Susan。
Someone is using the phone.
有人在用电话。
Before long, biscuits of all shapes and sizes began arriving at the factory.
不久，形状各异，大小不一的饼干陆续送到工厂。