Cals
abbr. 电脑辅助后勤支援系统（Computer-aided Acquisition and Logistic Support）；光速商务（Commerce At Light Speed）
🗣️ 情景例句
Who was it?
谁来的电话
Could you hold the door open, please?
请让门继续开着好不好？
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。