This is used to describe something special that are extraordinary and unforgettable.
1.Studying abroad is a once-in-a-lifetime experience.
出國留學是一生僅有的體驗。
2.Going to Taylor Swift's concert is a once-in-a-lifetime experience.
去看泰勒絲的演唱會是一生僅有的體驗。
3.Skydiving over the Grand Canyon is a once-in-a-lifetime experience.
在大峽谷上空跳傘是一生僅有的體驗。
4.Climbing Mount Everest is a once-in-a-lifetime experience for adventurers.
登上聖母峰對冒險家來說是一生僅有的體驗。
5.Winning the lottery is a once-in-a-lifetime experience that many people dream of.
中樂透是一生一次的體驗，許多人都夢想過。
6.Watching the Northern Lights is a once-in-a-lifetime experience.
欣賞北極光是一生僅有的體驗。
7.Swimming with dolphins in the open sea is a once-in-a-lifetime experience.
在開放海域與海豚一起游泳是一生一次的體驗。
8.Meeting your favorite celebrity in person is a once-in-a-lifetime experience.
親自見到你最喜愛的名人是一生一次的體驗。
9.Traveling to Antarctica and seeing penguins in their natural habitat is a once-in-a-lifetime experience.
前往南極並在自然棲息地觀賞企鵝是一生僅有的體驗。
10.Attending the Olympics as a participant or spectator is a once-in-a-lifetime experience.
以參賽者或觀眾的身份參加奧運會是一生一次的體驗。