Beaders
n. 联管箱；弯管机；卷边器
🗣️ 情景例句
Shut up!
闭嘴！
They that marry in green, their sorrow is soon seen.
过早地结婚，不久必悔恨。
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。