正文

VOA慢速英语:美国军方开放中频段供5G商用

2020-08-13来源:和谐英语

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

Words in This Story

capacity – n. the ability to do something : a mental, emotional, or physical ability

frequency – n. the rate at which a sound wave or radio wave is repeated

transmitter – n. a piece of equipment used to send out radio signals

spectrum – n. the range of frequencies of sound waves

auction – n. a sale in which things are sold to the person who offers the most money

enhance – v. to increase of improve something