Alkaryl
烷芳基
🗣️ 情景例句
By plane?
坐飞机来？
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
Excuse me.Where's the nearest bus stop, please?
请问，最近的公共汽车站在哪儿？