Esti
abbr. 欧洲航天技术研究所（European Space Technology Institute）；欧洲电信标准协会（European Telecommunications Sdandards Institute）
🗣️ 情景例句
Two hours from now.
从现在起还有两个小时。
You have to study English, don't you?
你必须学英语，不是吗？
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。