Burning the forest just once can leave behind enough black carbon to keep the soil fertile for thousands of years.
森林仅仅燃烧一次就能留下足够的黑碳，来保持数千年土壤肥沃。
Let me hear it just once more.
让我再听一遍。
I'll take the chances on dropping into this town just once more, for a look.
我要冒险再到这个城里来一次，看一看。
答：我只读了一次。
I just need the truth, just once.
我要的只是真相，哪怕一次。
Obama's father returned just once, when Obama was 10.
奥巴马的爸爸在他10岁的时候回过美国一次。
He played golf just once and never attended a polo match.
他只玩过一次高尔夫，从未去看过一场马球赛。
In most of the standard examples, a simulation is run just once.
在大多数标准示例中，只运行一次模拟。
I met her just once, and she's only a second cousin by marriage.
事实上，我只和她见了一面，而她只是一个远房亲戚。
This database exists just once per WebSphere Process Server cell.
此数据库在每个WebSphere ProcessServer单元中仅存在一次。
Sometimes you may need to run a job just once, rather than regularly.
有时候，需要只运行作业一次而不是定期运行。
But I still trust that voice, and I want to see that face just once.
但是我依然信任她的声音，也希望能有机会和她见面。
The setup subroutine runs just once on startup and initializes the server.
setup子例程只在启动时运行一次，以便初始化服务器。
Note that the entire configuration shown in Listing 5 is done just once.
注意，清单5显示的整个配置仅定义一次。
FANCY a three-day weekend - not just once in a while but week in week out?
幻想一下要是周末有三天——不是指偶尔这样，而是每周都这样，那会怎样呢？
They can also change it daily, weekly and monthly - not just once a year.
他们也可以改变它，每天，每周和每月-不仅仅是每年进行一次。
Anyone who had used a phone just once a week for at least six months qualified.
每周使用手机一次持续至少半年的人才符合条件。
I do not believe that it is not for ever, just once, so why should we believe?
我不相信，也不求天长地久，只求曾经拥有，为什么要相信呢？
Seven inaugural speeches did not contain the word; six more made use of it just once.
这个词在7次就职演说中完全没有被提到过，而另外六次中只被使用过一次。
The Black Cats have lost just once this season but have drawn their last five matches.
黑猫本赛季只输过一场，不过近5场比赛都打平了。
So far it has been activated just once, after someone exercising at a local gym collapsed.
目前为止它才被使用过一次：那是有人在当地一个体育馆内晕倒以后。
Similar events are estimated to occur just once every 10,000 years in a typical galaxy.
类似的现象估计每1万年才会在一个典型的星系中发生一次。
I run mine once a week, although you could probably get by running it just once a month.
我每周运行一次我的脚本，不过您可以一个月才运行一次。
The tanker visits on average just once a week. The water it delivers lasts only four days.
水罐车平均一周来一次，而送水量只够维持四天。
It's not something you do just once, but a habit that you can form for the rest of your life.
它也不是一次性的，而是一种需要培养的习惯，贯穿你剩余的人生。
To really get an advantage from this approach, you need to use that data more than just once.
要从这个方法中获利，需要多次使用到该数据。
Just see me this once, just once and hear me out and you'll never have to hear from me again.
听我说，我向你保证，只要见我这一次，就一次，听我把话说完，我就再也不会来找你了。
He'll also need to eat solid foods - first just once a day, but eventually several times a day.
他也需要吃固体食物，一开始是一天吃一顿，慢慢的，一天好几顿。
He'll also need to eat solid foods - first just once a day, but eventually several times a day.
他也需要吃固体食物，一开始是一天吃一顿，慢慢的，一天好几顿。
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