Ema
abbr. 电磁加速计（Electromagnetic Accelerometer）；导弹电子搜索系统（Electronic Missile Acquisition）；（美国）发动机厂商协会（Engine Manufacturers Association）
🗣️ 情景例句
Well, he wakes up several times during the night,
噢， 他一夜醒了好几次，
Open not your door when the devil knocks.
不要受人的诱惑。
I'll wait until I hear from you.
那么我就等你消息，