Introduce foods one at a time and notice if you feel uncomfortable with any of them.
一次尝一种食物，看你是否对其中某种食物感到不适。
然后一次弹一个音符。
一次不要吃太多。
I can't stay focused on one thing at a time.
我无法一次只专注于一件事。
Drop the coins onto the table, one at a time.
把硬币丢到桌子上，一次扔一个。
A little at a time finally makes a big difference.
一次做一点，最终会带来很大的不同。
I'm going to keep saving the world one day at a time.
我会坚持每天拯救地球一次。
One rule is that only 100 people at a time can visit the island.
其中一条规定是，这座岛屿一次只能接待100人。
She brought these to Mrs. Smith—sometimes as many as six at a time.
她把这些信带给史密斯太太，有时一次多达六封。
It was like being a mouse, only daring to nibble a little bit at a time.
它就像一只老鼠，一次只敢吃一点点。
"He wanted to do one thing at a time," Meg says, explaining her son's delay.
“他想一次做一件事。”梅格说，解释她儿子的拖延。
Only one task may hold the mutex at a time, and only this task can unlock the mutex.
一次只能有一个任务持有互斥锁，并且只有这个任务可以解锁互斥锁。
If we focus on one thing at a time and learn from failure, we can succeed in the end.
如果我们一次只专注于一件事，并从失败中吸取教训，最终我们就可以成功。
To set our heart on one thing at a time and give up all other thoughts is also a good way.
每次只把我们的心放在一件事上，放弃所有其他的想法，也是一个好方法。
If you decide that you need to read the whole book, decide how much you can read at a time.
如果你决定需要阅读整本书，决定一下你一次能读多少内容。
At a time of limited means of expression, snow was like free art supplies dropped from the sky.
在表达方式有限的时代，雪就像从天而降的自由艺术品。
She takes about fifteen out of the nest at a time, carrying them in her mouth to the nearby water.
她每次从巢里拿出15只，用嘴把它们叼到附近的水里。
When we look at a face or a picture, our eyes pause on one spot at a time, often on the eyes or mouth.
当我们看一张脸或一幅画时，我们的眼睛每次都停留在一个地方，通常是在眼睛或嘴巴上。
In an experiment, a researcher will place nuts into a can one at a time and then remove them one by one.
在一项实验中，研究人员每次把坚果放入一个罐子，然后再一个接一个地把它们取出来。
Buy all your clothes at once with a stylist instead of shopping alone, one article of clothing at a time.
和造型师一起一次买完所有你需要的衣服，而不是独自购物、一次只买一件衣服。
It is advantageous for a kangaroo female to produce young at a time when plant productivity is sufficient to support her offspring.
袋鼠雌袋鼠在植物繁殖力充足的时候生育后代是有利的。
Our experiment does not take place in a sleep lab, instead, we lend people motion-detecting watches and they wear them for a week at a time.
我们的实验不是在睡眠实验室进行的，相反，我们将运动检测手表借给人们，他们每次戴一个星期。
When I started off trying to get over being shy, I decided to do little steps at a time, including practicing smiling and saying hi to people.
当我开始试着克服害羞的时候，我决定一次迈出一小步，包括练习微笑以及和别人打招呼。
In the Middle Ages, before modern banking and credit instruments, people saved money at home, a few coins at a time dropped into a jar or dish.
中世纪时期，现代银行和信用工具出现之前，人们在家里存钱，一次丢几个硬币到罐子或盘子里。
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