If possible keep a spare pair of glasses accessible in case your main pair is broken or lost.

如有可能留一副备用眼镜以防你常用的那副打碎或丢失。

《柯林斯英汉双解大词典》

If possible, choose from three items or three estimates.

如果可能，从三个项目或三种估算中选择。

youdao

Give up smoking, or if that is not possible, make sure that your loved ones are far away from third-hand smoke.

戒烟，如果不可能的话，确保你所爱的人远离三手烟。

youdao

"And I long for the day when that modifier can be a moot point, but I'm ever grateful if I can inspire some young intrepid tenacious male or female filmmaker, and have them feel that the impossible is possible.

VOA: standard.2010.03.08

9 or . 8 7 are possible, they actually aren't possible because even if we saw a total shielding, 1 the minimum z effective we would see is 1.

。39和0。87是可能的，实际上它们是不可能的因为即使,我们看到了一个完全的屏蔽，最小的有效电荷是。

麻省理工公开课 - 化学原理课程节选

So, I'll try not to do that Result to another complex thing If you're in the front roll, or second roll or third roll It's possible that some part of your head, your back or even your face might end up on the film.

所以我会很注意,另一件事情就是,如果你们坐在第一排,或者前几排,那么你们的头部,背部甚至脸部,都可能被镜头扑捉到

耶鲁公开课 - 心理学导论课程节选

To be sure, they do not want American power squandered, inappropriately exercised or, if possible, utilized without the support and help of our allies.

CENTERFORSECURITYPOLICY: Center For Security Policy

For now, Howlett said shipping operators and recreational boaters needed to take caution through the area -- or avoid it if possible.

CNN: How to solve the pirate problem

If you are travelling to the airport, take rail options instead of a taxi or the Tube, if possible.

BBC: Navigating the London 2012 exodus