Polyhydrazide
[化] 聚酰肼
🗣️ 情景例句
I feel bad
我觉得很不安
I'm going to show him how to sing a song.
我正要指点他如何唱歌。
The doctor looked over James and asked the Shutes many questions.
医生给詹姆斯作了检查并问了舒特家人许多问题。