Naphthylhydrazine
萘肼
🗣️ 情景例句
This is my father, Dr. Philip Stewart ...
这是我父亲 Philip Stewart医生……
I will be going to school in September.
我将在九月份上学。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。