大家都搜：
跑在前面
1、before sunrise───日出前
2、before that───在那之前
3、came before───位于…之前；在…之上；比…重要
4、goes before───居先；走在前面
5、best before───最佳食用日期；此日期前最佳
6、before meals───饭前服
7、this before───以前这个
8、lay before───提交
9、before───prep.在……之前，先于；在……面前；面对（法院、法庭或其他官方机关）并受审；（宁愿……）不愿；adv.以前，过去，已经；conj.在……以前；到……为止；以免，不然；（宁可……而）不愿
1、The ExecutionTimeout parameter specifies the maximum time that this task can run before the test is determined to be a failure.───ExecutionTimeout参数指定在确定测试失败之前此任务可以运行的最长时间。
2、It was one of several good moments for Mr Biden, a senator from Delaware who has run before and who has little support in the polls.───对于来自特拉华州的参议员Biden先生来说，这是为数不多的几个美妙时刻之一，他之前曾参加过总统竞选，然而却在选举中获得的很少的支持。
3、To mix yet more metaphors, you were trying to run before you could walk, and I've clipped your wings.───再混用一些隐喻，你还不会走就想跑，而我又修短了你的翅膀。
4、We have unit tests that must run before and after each integration.───我们有一些必须在每次集成之前和之后运行的单元测试。
5、To mix yet more metaphors, you were trying to run before you could walk, and I've clipped your wings.───混用更多的隐喻来说，你还没学会走就想跑，而我又剪掉了你的翅膀。
6、First, the point of that code is to automatically register that the C code "POP(self, FIXNUM_P)" should be run before code in the method.───首先，代码的关键是在调用的方法的代码执行前会自动注册C语言代码段“POP (F I X N U M P)”。
7、As silently as I could, I began to move away , and as soon as was clear of the trees, began to run as I had never run before.───我尽可能不出声，一点一点挪动脚步，等我离开那片树林后，撒腿就跑，比以前任何时候跑得都快。
8、The animals that had not run before moving in with the mean mice showed much less neuronal activity in these portions of the brain.───那些在放入笼子里前没有跑动的普通老鼠，它们大脑的那个部分显示出非常少的神经活动。
9、George is running fast than he has ever run before.───乔治跑的比以前哪次跑的都快。
1、A lot of language students want to run before they can walk.
2、Go for a run Before the flight, a jog or a swim will improve circulation.
3、She usually goes for a run before breakfast.
4、Just don't try to run before you can walk.
5、Let's go for a run before dinner.
6、We gave the machine a trial run before using it on the production line.
7、I think too that she wants to run before she can walk.
8、Dorian West emerged for a sharp run before Cohen appeared at even greater pace for the try that began the rout.
9、Don't try to run before you can walk.