Microscolex
小头切蚓属
🗣️ 情景例句
There's so many things to talk about.
有许多事情需要讨论。
I'll show you.
我指给你。
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。