Acuductor
[医] 导针器
🗣️ 情景例句
about my not wanting to go into medicine?
对我不学医？
I asked him if he spoke English.
我问他他是否说英语。
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。