It's wise to check whether the flight times have changed before you leave for the airport.
出发去机场之前核实一下航班起飞时间是否有变化，这是明智的做法。
Don't forget to turn them off before you leave.
离开前别忘了把灯关掉。
Check QQ or WeChat last before you leave your house.
离开家前最后查看一下 QQ 或微信。
Don't forget, before you leave, refill the bottle with water!
别忘了，你离开之前，把瓶子装满水！
Don't forget to fill it with water again before you leave!
在你离开之前，别忘了再给它装满水！
You should get your parents' agreement before you leave for London.
你去伦敦之前应该得到你父母的同意。
Please remember to shut off the electricity and water before you leave the laboratory.
离开实验室前，请记得关掉水和电。
Distribute these pamphlets among them before you leave, will you?
请你在离开之前把这些小册子发给他们好好吗？
Buy good quality sturdy footwear at home and be sure to break them in before you leave.
出发前买一双质量好的结实的鞋子，并且在家的时候就要先试穿适应一段时间。
Kiss all the people you love in your house (including the dog and cat) before you leave.
在你离开前亲吻房间里所有你爱的人(包括狗和猫)。
Before you leave the lab , make sure the elecricity is turned off and the windows are shut .
在你们离开实验室之前，确保电源已经关闭，并且窗户也是关闭的。
Or how about having all your keys and items ready at the door before you leave in the morning?
或者早上出门前，你的钥匙和其它东西都已在门边？
But for your first night, book a place to sleep in advance - preferably before you leave home.
不过第一个晚上还是要事先预定好晚上的住处处——最好在离家之前就做好预定。
Take advantage of the timestamp feature, write a few blog posts before you leave and there you have it.
好好利用时间戳功能，提前写好，定时发布。
Before you leave, tell everyone at work that you are going to a place so remote that contact will be impossible.
在你离开之前，告诉每个同事你要去遥远的某地所以联系将是不可能的。
Light campfires only in established fire rings and be sure they're completely extinguished before you leave.
点燃营地的火焰时候请选择原有的篝火圈的地方，而且在离开的时候确认火被完全熄灭。
If you work at home, then take fifteen minutes before you leave your desk to lean back in your chair and breathe.
如果你在家工作，在离开书桌前花十五分钟靠在椅子上好好呼吸一下。
Before you leave in the morning tell your partner that you are looking forward to seeing them when you return.
在早晨出门之前告诉她/他你非常想在结束工作之后再见到他/她。
Clear horizontal surfaces before you leave the house - when you come home your place will look neat, roomy and fresh.
离开家里之前，打扫一下地面- - -回来时你会感觉家里整齐，宽敞，又耳目一新。
If you're heading west to San Diego from Boston, for example, three days before you leave, eat an hour earlier each day.
比方说，如果要从波士顿往西走，到圣地亚哥，在离开三天前，每天提前一个小时吃饭。
And don't forget to shut all the Windows in your home before you leave, or all your home might be blanketed in sand.
离开家之前别忘了关上所有的窗，不然家里将覆盖上一层沙。
Listen carefully now: if you log on to the website at exactly 10.30 the day before you leave, this is the best there is.
现在听好了：如果你在出发前一天的上午10点半准时登录网站，你就能得到这个最好的座位。
If you have limited time in India, this is a very good way to get all your train travel pre-booked before you leave home.
如果你旅游时间有限，那么最好在出发前就订好所需的票。
Most times they will catch this before you leave the hospital, however if this starts happening at home, it's time to go back.
在你离开医院前，医生护士们在大多数时候能发现此情况，然而若在家中开始发生这种情况，应立即回来。
Before you leave IT, consider that your employer is paying for you to learn new skills and keep your existing skills current.
在你离开IT之前，想想吧，是你的老板出钱让你学习新技能并保持已有技能跟得上形势。
And instant previews - pop-up thumbnail images that let you peek at pages before you leave the results page - showed up last week.
还有上周推出的即时预览功能，能够让用户在离开搜索结果页面前预览一下网站的主要内容。
Ask for forms that need completing to be posted to you beforehand and phone just before you leave to check they are running on time.
要求诊所将需要填写表格事先发送给你，出发前与诊所电话确认他们是否还在工作时间。
Before you leave the office for the last time, you should have the contact information of every co-worker you plan to stay in touch with.
在你离开公司之前的那一天，你应该将每个你想保持联系的同事的联系方式记下来。
Before you leave the office for the last time, you should have the contact information of every co-worker you plan to stay in touch with.
在你离开公司之前的那一天，你应该将每个你想保持联系的同事的联系方式记下来。
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