N,n'-dinitrosopentamethylene tetramine
[化] N,N'-二亚硝基五亚甲基四胺; 发泡剂H
🧩 词语组成解析
[医] 羟化四甲铵
🗣️ 情景例句
Hi, Alexandra.
嗨， Alexandra。
The whole class is in a heated discussion.
全班同学正在热烈讨论。
What bad weather! Are you going out?
天气糟透了！你要外出吗？