I can only carry two at a time.
我一次只能带两个。
Let's attack one problem at a time.
咱们一次全力处理一个问题。
My mind could only assimilate one impossibility at a time.
我的头脑一次只能吸纳一件不可能的事情。
The boats remain at sea for an average of ten days at a time.
这些船平均每次在海上呆10天。
Now she must talk her sister through the process a step at a time.
现在她必须向她姐姐详细解释这个过程，一次只说一个步骤。
They take it one step at a time.
他们一次只做一步。
We can play for an hour at a time?
我们一次可以玩一个小时吗？
每次抬起一只膝盖。
Gray squirrels bury nuts one at a time in a number of places.
灰松鼠在很多地方一次埋一个坚果。
I was unable to keep focused for more than an hour at a time.
我无法一次集中注意力超过一个小时。
They hold their breath and dive deep for up to twenty minutes at a time.
他们屏住呼吸，进行一次长达20分钟的深潜。
Yes, you can! You can change it through one choice, one person or one kind act at a time.
是的，你可以！你可以通过一个选择，一个人或者一次善行来改变它。
She ran up the stairs two at a time.
她一步两阶地跑上楼梯。
We had to go and see the principal one at a time.
我们得逐一去见校长。
一步一步来。
It gives birth to several babies at a time.
它一胎生了几个宝宝。
There is but one pope at a time in Christendom.
在基督教世界里，只有一个教皇。
I would need to deliver it at a time when you're in.
我要在你在家的时候把它送过去。
So I would need to deliver it at a time when you're in.
所以我需要在你来的时候把它送过去。
The revisions come at a time when green marketing is on the rise.
此次修订正值绿色营销兴起之际。
He has learned to read for main ideas rather than words one at a time.
他学会了阅读主要思想而不是逐字逐句地阅读。
Can I borrow two books at a time?
我可以一次借两本书吗？
This restaurant can accommodate two hundred people at a time.
这家餐馆可供200人同时用餐。
Why do you choose to ask him questions at a time when he is unhappy?
你怎么单在他不高兴的时候问他问题?
One thought at a time, please.
请让我一次表述一个想法。
我说，一次只做一件事情。
Complete your tasks one at a time.
第五招，一次完成一项任务。
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