Ucc
[计] 万国版权公约, 通用分类系统
🗣️ 情景例句
You should take your health more seriously.
你对自己的健康得更当回事儿。
I ought to explain to the manager.
我应该向经理解释。
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼，然后猜谁手里有橡皮擦。