Leucomaines
[化] 蛋白毒碱类
🗣️ 情景例句
I hope you won't take offense, But will accept what I say here as some fatherly advice.
我希望你不要反感，能够接受我这父亲般的建议。
I think it's going to rain tomorrow.
我认为明天将会下雨。
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。