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
He cancelled his appointment.
他取消约会了。
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
Hello, Li Lei. Who are they?
你好，李磊，他们是谁？