Believe it or not, yellow was once used to mean stop.
信不信由你，黄色曾经用于表示停止。
Once used, you will become rotten.
一旦用了，你就会烂掉。
What were the head of teasels once used for?
起绒草花的头部曾经用来作什么？
Dad bought a tool kit but never once used it.
爸爸买了一组的工具箱，但是从来都没用过。
However, after that, the king has not once used the car.
然而在这之后，国王始终一次也没有用过这辆车。
For example, a computer was once used to design a brewery.
例如曾经利用一台计算机来设计一间啤酒厂。
Is long overdue to say goodbye, just because once used to be.
其实早该说再见，只因为曾经一起的时光。
True. Once used, dining utensils should never again touch the table.
正确。一旦拿起了餐具开始用，就不要再把它们放回桌子。
After his death, many of the things he had once used were auctioned.
他死后，他曾经用过的许多物品都被拍卖。
A form of voltaic cell once used as a standard for electromotive force.
一度作为标准电动势的一种伏打电池。
Once, people used too much underground water.
过去，人们使用了太多的地下水。
It is known as the music room because once it was used for music lessons.
它被称为音乐室，因为它曾用来上音乐课。
In any given company, applications are often used once.
在任何一家公司，应用通常使用一次。
This is done once and then can be used by all virtual application instances.
只需完成一次，所有的虚拟应用程序实例便都能使用它。
To further secure the system, tokens only can be used once.
为了进一步加强系统的安全，令牌只能被使用一次。
More often than not, I packed the item in question and never used it once.
实际往往是，我带着疑问将某件物品打包了，但是一次也没有用上。
I used to try everything at least once, just to see how it was like.
我关于尝试每样东西至少一次，就是要看看它是怎样的。
Once the directory had stopped being regularly used, the directory would be unmounted.
目录停止了频繁使用后，该目录将会被卸载。
The ones that are being used also require being re-treated once a year.
正在使用的蚊帐需要每年重新处理一次。
Once this is done, the Web reference can be used in the code.
完成这一步后就可以在代码中使用该Web引用。
And once products have been used, they are treated as rubbish and thrown away.
产品一经使用，就被视为垃圾并被丢弃。
This is a handy tool that, once learned, can be used for your entire lifetime.
这个常用工具一旦掌握，将受益终生。
The NULLIDR1 package set, which is bound with the REOPT ONCE bind option, is used.
这时使用的是NULLIDR1包集，它是使用REOPT ONCE绑定选项绑定的。
This is used twice: once to open the outputText tag and again to close it.
它被使用了两次：第一次是打开 outputText标签，第二次是将其关闭。
I never once saw a cell through a microscope. This used to enrage my instructor.
我从未透过显微镜看见过一个细胞，这每每令我的老师勃然大怒。
Come on Bear! The water's not so cold once you get used to it!
来吧，小熊，这水在你适应了之后就不会觉得冷了！
Once the altar used to be somewhere here.
以前圣坛在这里还是很重要的。
They used to get together with some friends once a week when they live here.
他们过去住这儿的时候，总是每星期都与朋友们聚会一次。
Once more, you NEED to get used to operating life under pressure.
再说一次，你需要适应在压力下运作你的生命。
The question mark and asterisk can be used more than once in the same profile.
可以在相同配置文件中使用多个问号和星号。
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