Sedis
abbr. surface emitter detection identification system 地[海]面发射机探测识别系统
🗣️ 情景例句
She got a scholarship to Cambridge but dropped out a year later.
她得到了剑桥大学的奖学金，但一年后就退学了。
When Emily came home at three in the morning, her father hit the ceiling.
哎米莉在凌晨2点钟回家时，她父亲大发雷霆。
Shut up!
闭嘴！