N,n'-dinitrosopentamethylene tetramine
[化] N,N'-二亚硝基五亚甲基四胺; 发泡剂H
🗣️ 情景例句
Hope to be a bigger help on the new community-center project.
希望能在新社区中心这件事上提供更大的帮助。
To read without reflection is like eating without digestion.
学而不思,犹如食而不化。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候,他问医生他的手术是否成功,
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