Vocalise
vi.vt. 发声, 唱, 说\\nvi. 练声
🗣️ 情景例句
afford a house right away, either.
马上负担得起一栋房子。
Would you call Miss Shen to the telephone?
请你叫沈小姐来接电话好吗？
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。