Acetamide
n. [化] 乙酰胺
🗣️ 情景例句
I'd like to ask for your daughter's hand in marriage.
我希望你能把女儿许配给我。
How can you do such a thing?
你怎么能做这种事情呢？
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。