Choletherapy
[医] 胆汁疗法
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
How long will you be working in Canada?
你将在加拿大工作多久？
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。