Bromoacetophenone
溴苯乙酮
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
I'm the bravest woman in my club.
我是我的俱乐部中最勇敢的女人。
She's very well, too, Helen.
她也很好，海伦。