Forcep
n. 焊钳, 钳状体, 钳子; 钳状骨针
🗣️ 情景例句
Do you do hair coloring?
你做染发吗？
Drop me a line.
写封信给我
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。