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
You just relax with Grandpa.
你只要放轻 陪爷爷就行了。
We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖，但是上面的日期却全都是同一天。
How do you do?
您好！