Macs
abbr. 多元自控系统（Multiproject Automated Control System）；中高度通信卫星（Medium Alitiude Communication Satellite）
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
A borrowed cloak does not keep one warm.
借来的斗篷不暖身。
Jim ! Jim ! It's time to get up !
吉姆，吉姆，该起床了！