Tarc
abbr. Tactical Air Reconnaissance Center <美>战术空军侦察中心
🗣️ 情景例句
We'll offer our sale agents and purchasers many kinds of services and benefits.
我们将为代理商和买主提供多种服务和利益。
It's destiny.
真是有缘。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。