1. The return of the echo will elapse longer time.
    回声返回所耗的时间越长了.

2. Time is an important factor to consider in cooking.
    烹调过程中掌握时间是很重要的。

3. The coutry was still in feudal society at that time.
    当时, 这个国家还处于封建社会。

4. This is the fourth time you have been late to school.
    你这是第四次上学迟到了。

5. Take your time and don´t gabble!
    说话从容些, 不要快得叫人听不清!

6. The best time to invest is now.
    现在是投资的最佳时机.

7. They have planned the itinerary for a long time.
    他们已经计划旅行路线好长时间了。

8. They both landed on the surface of the moon at the same time.
    两者同时落在月球的表面上.

9. The spheres had been magnetized and attracted or repelled each other all the time.
    这些球是经过磁化的，它们一直在互相排斥或互相吸引着。

10. These men work underground for 6 hours at a time , mining for coal.
    这些人在地下工作一次挖煤6小时。