请把所有出席者加起来，告诉我总数。

Please ___count ___up all the attendees and let me know the total.

把所有工作时间加起来后，我们意识到应该休息一下。

After ___counting ___up all the hours worked, we realized we deserved a break.

你能把篮子里的苹果数加起来吗？

Can you ___count ___up how many apples are in the basket?