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
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
Why isn't this ticket any good here?
为什么这里不可以使用月票？
When did you come to China?
你什么时候来到中国？