Topics
abbr. 总联机程序和信息控制系统（Total On-line Program and Information Control System）
🗣️ 情景例句
Oh, let me help you with this.
来， 我帮你放好。
At 6 o'clock sharp.
6点。
Who jumped farthest of all?
谁在参赛者中跳得最远？