派对最后的烟花表演是整晚的完美收尾。

The fireworks show at the end was the perfect ___capper to the party.

这些汽水瓶需要由专业的封瓶工人来密封。

These soda bottles need to be sealed by professional ___cappers.

经理作为预算的管控者，确保我们不会超支。

The manager serves as a ___cap to make sure we don't exceed the budget.