Ests
abbr. Earth Station Technology Seminar 地面站技术研讨会; echo suppressor testing system 回波抑制器测试系统; empty sella turcica syndrome 空蝶鞍综合征
🗣️ 情景例句
Well, that's easy.
哦， 那很简单。
I want you to clean your room today.
我希望你在今天自己打扫房间。
The answer is zero.
白忙了。