Cass
abbr. 货物财务结算系统（Cargo Account Settlement System）；指令主动声纳浮标系统（Commanded Active Sonobuoy System）
🗣️ 情景例句
Oh, Richard, it really isn't that bad.
喔 ，Richard ，事情没有那么糟。
He is very hard to handle.
他很难应付。
No, it isn't.
不，不是！