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。
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。
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。
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。
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。
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 a year he used to take me into the city for lunch.
每一年他把我带到城里去吃一次饭。
Often a variable is only assigned to once and is used as an (immutable) definition.
通常对变量的赋值只有一次，并被当作不变的对象。
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 used to see a bat, even caught, I remember once had them killed.
我见惯了蝙蝠，甚至捉住过，记得有一次还把它们打死了。
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。
And you'll be just a man once I used to know.
而你会只是一个普通人有一次我曾经认识的。
During the depression, I used to hop freights at least once a month.
大萧条时期，我一月至少一次要偷偷搭乘货运列车。
Once you get used to it, you can do it twice a week.
一旦你使用它，你可以做到这一点，每周两次。
Once there were valleys, where rivers used to run.
曾经，这儿有山谷，河水因此流过。
Once was used to it the evening to work.
曾经习惯了晚上工作。
She used to come to see me once a week.
她过去总是每周来看我一次。
Once you get used to it though, it's very cool indeed.
一旦你习惯了，虽然它很酷。
I used to write children's books once, did I tell you?
我过去写过童书的，我告诉过你吗？
Once initialized with a value, the range variable cannot be used to store another value.
使用值进行初始化之后，就不可以再使用范围变数来储存另一个值。
Once you are used to smoking you can hardly give it up.
你一旦养成了抽烟的习惯就很难把它戒掉。
The leg worked very well, once I was used to it.
那条腿我用惯了以后，也就工作得很好了；
There once was a saying that I used to say.
曾经有那么一句话是俺经常说滴。
You have to write out your once-used names on this form if you have any.
如果你有曾用名，也要填在这个表格里。
Once you have got used to it, you'll like it.
一旦你习惯了，就会喜欢它的。
Once you have got used to it, you'll like it.
一旦你习惯了，就会喜欢它的。
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