At one time, soap-making was not safe.
曾经有一段时间，制造肥皂并不安全。
The parents were asked to interact with their children as they normally would, and about half of children in the study played with puzzles at one time.
研究人员要求这些父母像往常一样与孩子互动，同时研究中大约有一半的孩子曾玩过猜谜游戏。
It includes four steps: seeing a word, getting back its meaning from your memory, connecting it to other words in the same sentence, and then moving on to the next word. This process uses many parts of the brain at one time.
它包括四个步骤：看到一个单词，回忆这个词的意思，将它与句子中其他单词联系起来，再看下一个单词。这个过程同时调动了大脑的很多部分进行工作。
At one time, Henry needed a grammar book for his study.
曾经有一段时间，亨利需要一本语法书来学习。
At one time, ecologists believed that species diversity made ecosystems stable.
生态学家曾一度认为，物种多样性使生态系统变得稳定。
He was at once furious and slightly pleased, if a person could be both at one time.
他既生气又有点高兴，如果一个人能同时拥有这两种情绪的话。
At one time it was thought that these matrix grains might be pristine nebular dust, the sort of stuff from which chondrules and inclusions were made.
曾经有人认为，这些基质颗粒可能是原始的星云尘埃，即形成陨石球粒及其内含物的物质。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
It would have been better to have thinned the trees over several winters rather than all at one time.
当初要是分几个冬天来疏剪树木，会比一次性疏剪要更好些。
This helps remove the unnecessary fear of having to do a large project all at one time.
这有助于消除对一次性完成大型项目的不必要的恐惧。
It was at one time white faces, not white bags: white faces.
原来曾用过“白色的面孔“,不是“白色袋子
The attacker can automate to go against multiple sites at one time.
攻击者可以自动的在多个站点上进行测试。
And limiting the amount of overall information the shopper sees at one time.
限制用户在一时间看到的过多信息。
At one time most women made their own clothes, buying the cloth in small stores.
曾经有段时间，大部分女人都在小店里买布料自己做衣服。
This leads them to believe that Antarctica at one time was a land of swamps and forests.
这使他们有理由相信南极洲曾经是一片森林和沼泽。
Cut large pieces of food, such as steak or chops, into small pieces all at one time.
把大块食物，如牛排或排骨，一次切成若干小块。
Sometimes clans based on water rather than blood harbor several such personages at one time.
从前一度有一些家族基于养育而非血缘收养几个这样的人物。
Viewing a single instance of an SNMP OID property at one time is not always very useful.
一次查看某个SNMPOID属性的单个实例并不非常具有实际意义。
This is useful when editing and visualizing the structure of the information all at one time.
当您在编辑并同时查看信息的结构时，这一点就十分有用了。
At one time, Li Ning was in the running to be official sportswear sponsor for the 2008 Games.
李宁一度曾想竞争2008年北京奥运会的官方运动服装赞助商，但却不敌资金雄厚的阿迪达斯。
There were lots of banks in the village at one time and HSBC is the only one that stayed.
原来镇上有过许多银行，汇丰银行是这镇上最后一家银行。
My brother at one time would spend days at his piano engrossed in the creation of new tunes.
我的兄弟有一段时间会在钢琴边一坐就是好几天，完全沉浸在谱写新曲中。
Etymology, it appears, has the means to prove that thimbles were at one time meant for the thumb.
词源学看起来有办法证明顶针一词曾经指拇指。
Monsters never go hungry and we've become quite adept at carrying several things at one time.
所以咯，怪兽从来不会饿肚子，而且我们经常一次性搬走好多东西呢。
The information you can hold in your mind at one time is the information you can interrelate.
科恩说道，“你一次性记住的信息是相互联系的。
At one time the company floated the idea of putting deli sandwiches on the menu. The deal killer?
有一次公司提出让三明治出现在菜单上，经营杀手？
Often times, it's not feasible to back up the entire database or even few table Spaces at one time.
通常，备份整个数据库或一次备份几个表空间是不可行的。
Any stress or sudden change in her life at one time would send Saks into a tailspin psychologically.
她生活中的任何压力和突变过去会将它送入心理上的混乱。
Any stress or sudden change in her life at one time would send Saks into a tailspin psychologically.
她生活中的任何压力和突变过去会将它送入心理上的混乱。
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