Cats
abbr. 高级电视研究中心（Centre for Advanced Television Studies）；计算机自动测试系统（Computer Automated Test System）；通信和跟踪系统（Communications and Tracking System）；综合分析试验系统（Comprehensive Analytical Test System）
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
His toe is swollen, Does it hurt?
他的脚趾肿起来了，疼不疼？
This is Zhou Lan speaking.
我就是周兰。