列车运行时请远离车门。
我们在围绕这个海岛航行时发现了这个海滩。
We discovered this beach while we were sailing around the island.
你假期的第一天晚上睡觉来消除飞行时差反应是个好主意。
It's a good idea to spend the first night of your holiday sleeping off the jet lag.
当我旅行时，我喜欢手写一些东西。
旅行时记得随身多带点现金以备急需。
Remember to bring some extra cash with you for emergencies while traveling.
当你在社区周边步行时，可以和朋友打电话聊天。
Chat on the phone with a friend while you walk around your neighborhood.
但当我结束旅行时，我已经是一个颇有经验的旅行者了。
But by the time I had finished the trip, I was an experienced traveler.
旅行时，给你的恋人送一束玫瑰花；每朵玫瑰花代表你离开你的恋人的每一天。
When traveling, give your partner a bouquet of roses; one rose for each day that you'll be away.
当你在英国旅行时，你一定不能错过温莎城堡的参观，那里是1000多年以来英国国王和女王的家。
When you travel in England, you can't miss the visit to Windsor Castle, the family home to British kings and queens for over 1,000 years.
这听起来可能很简单，但正如格雷教授所说：“当我去某个地方旅行时，我喜欢这样的想法，即当我结束旅行时，我的感觉比开始旅行时要好。”
That may sound simple, but as Prof. Gray says, "When I travel somewhere I like this notion that when I finish my journey I feel better than when I started it."
当每一个人都热得不行时，我却冻得发抖！
希望明年世界锦标赛再度举行时我能身体健康。
I hope to be fit when the World Championship comes around next year.
我们在国外旅行时应该举止得体。
一些人在海上旅行时喜欢用漂流瓶发送信息。
Some people enjoy sending out their messages in bottles when they travel on the sea.
想一想你在旅行时可以帮助和回馈当地社区的方式。
Consider the ways that you can help the local community and give back while traveling.
一次全家开车去旅行时，她的姑妈德德拿出一本《哈利波特》，想给她侄女一个惊喜。
On a family car trip, her Aunt Dede pulled out a copy of Harry Potter, as a surprise for her niece.
“旅行时，你应该记录下你看到的和做的事情。否则，你总有一天会忘记它们的。”他解释道。
"While travelling, you should keep notes on the things you see and do. Otherwise, you will forget them some day," he explained.
当你背包旅行时，有一件事很重要，那就是确保你只带基本需求品，这样你的背包就不会太重。
One thing that's important when you're backpacking is to make sure you carry only basic needs, so your backpack isn't too heavy.
他几乎掩饰不住临行时的喜悦。
萤火虫夜间飞行时发出闪光。
列车运行时，请勿打开车门。
太棒了！那么旅行时间是多久？
独自旅行时，旅程完全是你一个人的。
来吧，孩子。飞行时间到了。
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