1. As long as staff members are well-groomed, it does not matter how long their hair is.
只要工作人员打扮整齐，他们的头发多长不要紧。
《柯林斯英汉双解大词典》
2. Michael was ready: he wanted to see how long it took him to do a billion miles.
迈克尔已经准备好了：他想看看自己飞10亿英里需要多长时间。
youdao
3. How long have you collected shells? I have collected shells for three and a half years.
你收集贝壳多长时间了？我收集了三年半。
youdao
4. Could you tell me what I have to do to obtain a student visa and howlong the process will take?
你能告诉我获得学生签证需要做些什么，需要多长时间吗？
youdao
5. Her enthusiasm is fading at the thought of how long that might take, just to have her kids reject it.
一想到这可能需要很长时间，而孩子们会拒绝，她的热情就在消退。
youdao
6. When a banded bird is recaptured and reported, we learn about its migration route, its growth, and how long it has been alive, its lifespan.
当一只被戴了标记环的鸟被重新捕获时，我们就能从报告中了解其迁徙路线、生长情况以及存活时间、寿命。
youdao
7. I don't know how long my crying jag lasted.
我不知道我一阵大哭持续了多久。
《柯林斯英汉双解大词典》
8. How long does it take to have crowns fitted?
镶齿冠需要多长时间？
《柯林斯英汉双解大词典》
9. I asked howlong he was staying, but he fudged the answer.
我问他要待多久，但他含糊其辞。
《牛津词典》
10. You sneak a look at your watch to see how long you've got to wait.
你偷偷看一眼手表，看还要等多久。
《柯林斯英汉双解大词典》
11. "But how long can you stay in the house?"—"I don't know. It depends."
“但你能在这屋里待多久？” — “不知道，这要看情况而定。”
《柯林斯英汉双解大词典》
12. "None of us has any idea how long we're going to be here."—"Nor do I."
“我们当中没人知道我们将要在这儿呆多久。”—“我也不知道。”
《柯林斯英汉双解大词典》
13. The difficulty of a problem was defined in terms of how long it took to complete.
问题的难易度是以解决这个问题所花时间的长短而定的。
《牛津词典》
14. It has set us back in so many respects that I'm not sure howlong it will take for us to catch up.
我们在很多方面都被延误了，不知道需要多久才能赶上。
《柯林斯英汉双解大词典》
15. So how long can a gene survive in a species if it is no longer used?
那么，如果一个基因不再被使用，它能在一个物种中存活多久呢？
youdao
16. How long does it take the man to get to Huaihua High-speed Railway Station?
到怀化高铁站需要多长时间？
youdao
17. She wondered how long it would be before they showed that they were flowers.
她不知道它们要过多久才会开花。
youdao
18. Now, do you know, on average, how long does someone spend surfing the net each day?
现在，你知道，人们平均每天花多长时间上网吗？
youdao
19. How long may it take you to remember the material easily if you review it regularly?
如果你定期复习的话，你要花多长时间才能轻松记住这些材料？
youdao
20. We watched him go out on a run the first time and wondered how long this weird obsession would last.
我们看着他第一次出去跑步，想知道这种奇怪的痴迷会持续多久。
youdao
21. Whenever you say something to a person cruel or kind, you have no idea how long the words will stay with them.
每当你对一个人说一些残酷或善良的话，你不知道这些话会在他们心中停留多久。
youdao
22. Whether residents felt involved in the decision to move and howlong they had lived there also proved significant.
在选择搬去哪住和住多久的问题上，居民有没有感觉自己参与了决策的过程，也是很重要的。
youdao
23. Food will be served at around 8:30 and then, depending on how long the meal takes, the entertainment will start about two hours later.
我们会在8:30左右开始供应食物，然后根据用餐时间的长短，娱乐项目大概会在2小时后开始。
youdao
24. We really don't know a lot about how long a wood frog normally lives, probably just a few years but there is no evidence its longevity.
对于一只树蛙通常能活多久，我们确实知道得不多，可能只有几年，但没有证据表明它能长寿。
youdao
25. I am not precisely sure how long I stayed frozen in that position, but the next thing I recall is the apparition vanishing before my eyes.
我不能精准地确定我在那个位置上呆了多久，但我记得的下一件事就是那个幽灵在我眼前消失了。
youdao
26. If she can't curb this trait and you don't want the friendship to end, limit how long you let her go on about herself; then give yourself equal air time.
27. It looks like what's at issue is less how long your food stays on the floor and much more how contaminated with bacteria that patch of floor happens to be.
看起来问题的焦点不太在于你的食物在地上停留的时间长短，而更在于那块地被细菌污染到了什么程度。
youdao
28. Darwin and Huxley supported the accuracy of John Joly's calculation of Earth's age because it agree with their view of how long evolution had been in progress.
29. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu may make a difference in how long the misery lasts.
喉咙发痒、鼻塞和身体疼痛都会带来痛苦，但若能分辨出是感冒还是流感导致的，就可能改变痛苦持续的时间。
youdao
30. It seems that, by looking at the length of the telomeres on specific Chromosomes, we can actually predict pretty much howlong certain cells can successfully go on dividing.
看起来，当通过观察特定染色体上的端粒长度，我们实际上可以预测某些细胞能够成功分裂多久。
youdao
It did not take us long to nail that lie. 没多久我们就把谎言揭穿了。
He is sure to spill the beans before long. 用不了多久他准会走漏消息的。
