Piperazine
n. 哌嗪\\n[化] 哌嗪
🗣️ 情景例句
Would you mind?
你们不介意吧
Love laughs at locksmith.
春闺锁不住。
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。