最袋只用一次，就可以采取行动，以百年才能分解。
Most bags are only used once and can take up to 100 years to decompose.
一些院子里的和改善住宅的工具往往只用一次或是一小段时间。
Some yard equipment and home improvement tools get used only once or once in a while.
故障在线诊断的关键问题在于只用一次测试结果能定位故障。
The key to fault diagnosis on line is that the fault may be located after only one test have be done.
设计通常只用一次，大部分建筑物不节能，建筑行业浪费严重，而许多建材简单地一扔了之。
Designs are often used only once, most buildings are not energy-efficient, the industry produces a lot of waste, and many materials are simply thrown away.
只用一次打击：对有核装备的敌方第一次使用核武器，理论上认为，只有当进攻一方能摧毁敌方的反击能力时，这种方法才可行。
The initial use of strategic nuclear weapons against a nuclear-armed adversary, theorized as feasible only if the attacker can destroy the adversary's retaliatory capacity.
假如你想要砌一块石板地以供休憩，要买一台水泥胶合机需花500块钱，租一天45块，但这种机器你只用一次，以后再也不需要。
Now, imagine that you want to pour a concrete patio. A cement mixing machine costs $500 to buy, or you can rent one for $45 for a day. You will never need that cement mixing machine again.
公司管理层经常认为，过程是只用书写一次，之后完全准照的东西。
Too often company management thinks of process as something that is written down once and then simply followed.
尽管如此，由于它是主表，而且只用表扫描访问一次，因此会引发一些性能问题，但不会太严重。
However since it is a leading table and will be accessed by the table scan only once, it may cause some performance problems, but it should not be a disaster.
转换环境从它的第一个版本起就位于一个框架中，并且只用于运行一次转换。
Transformation contexts have been in the framework since the product's first release and were originally only used for running a transformation.
这种惊人的飙升只用了17天，是1938年以来上涨速度最快、最剧烈的一次，也是我这辈子见过的上涨最快的牛市。
This remarkable move required just 17 days, the fastest, steepest rally since 1938, which makes it the fastest bull market in my lifetime.
因为创建直接缓冲区所增加的成本，所以直接缓冲区只用于长生存期的缓冲区，而不用于短生存期、一次性且用完就丢弃的缓冲区。
Because of the added creation cost, use direct buffers only for long-lived buffers, not short, one-time, throwaway buffers.
这一次，制造多莉只用了五个胚胎。
This time, only five embryos were needed to produce each one of the Dollies.
其宝贝详情上写着：“特易购超市的塑料袋，只用过一次。对，这就是那种几周前还免费的塑料袋！”
"Tesco carrier bag. Yes, one of the ones that was free a couple of weeks ago. Only used once!" it says.
第一次产品部署只用了一个月，相对WindowsAzure估计需要6个月。
First production deployment took only one month, compared with an estimated six months in Windows Azure.
那也能减少垃圾，因为你可以只用一张抹布，在必要的时候将其洗了就好，而不是一卷一卷的用纸巾来擦洗，纸巾用一次之后就全丢掉。
It cuts down on trash because you can just use one rag and rinse it out as needed, instead of tearing off paper towel after paper towel and throwing them away after one wipe.
第一天结束(实际上只用了半天)的时候，我们一致同意以“第一次就完成”的理念来改善现状。
By the end of the first day (actually half-day), there was consensus regarding the status quo and a first pass concept for improvement.
所以我冲进商店，买了一瓶这个，只用了一次就完全清理干净了我的头发，并且一点也不觉得干燥。
So I went out and purchased a bottle of this, and one application completely cleaned my hair without making it dry at all.
弥尔顿在他的全部诗歌作品中只用过一次事业这个词，我们马上就会看到，在十四行诗的第七行。
Milton will only use the word career once in his poetic oeuvre and it comes — it will come pretty soon, actually, in Sonnet Number Seven.
她拿起一只用橡树皮编制的篮子，从后面楼梯上走下来，每走一步脑子就跟着震荡一次，她觉得从头盖骨到脊椎都好像要碎裂了似的。
She picked up a large split-oak basket and started down the back stairs, each step jouncing her head until her spine seemed to be trying to crash through the top of her skull.
一次只用挂锁，开始组合锁在保险柜和强烈室门使用了19年下半年的百分之。
Once used only for padlocks, combination locks began to be used in safes and strong-room doors during the last half of the 19th cent.
我们只用单一的词表达了“危险”这层意思，却没能表达出在每一次危机中也包含着“机遇”的另一层意思。
Our single word conveys the danger but doesn't always communicate the presence of opportunity in every crisis.
人类经常把只用过一次的东西丢掉。
Human beings often throw away things they have used only once.
非常重要的一点是：拆迁手段的使用机会微乎其微，而且近年以来只用过一次。
It is important to note that this action is very rarely undertaken and in recent years has only been used once.
只用了一次就清除了我2岁宝宝的湿疹。现在，我每天给她用这个。
It cleared my 2 year old's rash in just one application. Now I use this on her face daily.
姓只用在正式的场合，例如第一次晤面时，跟专家，医生，政客或贵宾的交谈的时辰。
The formal title or family name is usually only used in formal situations, when meeting someone for the first time, or when speaking to someone like a professor, medical doctor, politician or VIP.
姓只用在正式的场合，例如第一次晤面时，跟专家，医生，政客或贵宾的交谈的时辰。
The formal title or family name is usually only used in formal situations, when meeting someone for the first time, or when speaking to someone like a professor, medical doctor, politician or VIP.
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