Researchers testing birds in the Northeast have found creeping mercury levels in the blood of more than 175 once clean species.
在东北用鸟类做试验的研究者在175种曾经列为安全鸟类的血液中发现水银。
The interior blends Mr. Simonson's original design with new and cleverly repurposed materials, creating a look at once clean and rustic.
内饰融合了西蒙森的原始设计和巧妙改变用途的新材料，第一眼就给人以干净质朴的观感。
Must we clean the classroom at once?
我们必须马上打扫教室吗？
Why not clean up your room at once?
为什么不马上把你的房间打扫干净呢？
Once cans are clean, let them air-dry for at least one hour before opening or storing them.
等罐子干净了，在贮藏或开启他们之前让他们风干至少一个小时。
Anyone can figure out how to clean a room once they're motivated to do so.
一旦他们积极的去做，任何人都可以弄清楚如何打扫一间屋子。
Once the long slog toward bedtime was over and my two children scrubbed clean and in bed, I would sit on the couch and ache for grown-up company.
漫漫长夜过去，为两个孩子洗涮干净，整理好被褥之后，我就会坐在沙发上，为如何才能把孩子们拉扯大而发愁。
Once your baby's teeth are in, it's up to you to keep them clean.
一旦宝宝有牙了，他的牙齿清洁问题就由你来决定了。
Once their village gets clean water, they're not only excited to drink it themselves; they're relieved they can provide safer lives for their families.
一旦村子里有了洁净的饮用水，母亲们不但迫不及待的饮用水，她们就可以为她们自己的家庭提供健康的生活。
Once a week they have a bathing day which is an unofficial day-off. The members of the ship's company bathe and clean up the ship, especially the deck.
一周一次的洗澡日是学员们非正式的休息日，船务公司的成员们在这一天洗澡、打扫船只，尤其是甲板。
Or do a speed-cleaning stint once a week for two hours, and don’t clean the rest of the week.
或者每个星期只花两个小时来进行快速清洁，然后其余时间完全不做。
Once finished, the lavatory will often flush automatically, lower the seat and then clean itself.
一旦方便结束，马桶通常会自己冲水，放低座位，自我清洁。
Hence clean the ears once a week with cotton buds.
因此每周两次用棉球清洁耳朵。
Once you’ve created the rescue disc, it’s relatively easy to have Kaspersky’s app scan the hard drives and clean the system.
一旦救援盘创建完成，你就就可以轻松的使用卡巴斯基的工具来扫描硬盘、清理系统了。
"I wondered what could I do with this most beautiful girl that Marilyn was to play to make her look clean, talcum-powdered, and adorable," he once said.
“我一直在思考我应该怎样做才能让梦露扮演的这位美丽女孩显得纯净，柔和并且可爱”他曾经说。
They've been told that once they're married they'll be eligible for an apartment. Off the streets they figure they can have a phone, keep their clothes clean and dry, shower, and find a job.
告别流浪街头的生活，他们琢磨着终于能安一部电话，穿上又干净又干爽的衣服，能洗淋浴，还可以安心找一份工作。
Once you’ve launched the Recovery Console, run the command bootrec.exe /fixmbr to replace the master boot record with a clean version.
打开Windows的恢复控制台，运行命令“bootrec.exe /fixmbr”，即可用一个干净版本的主引导记录代替这个已受到感染的主引导记录。
There are fears however that a serious credit crunch could begin later in 2009 and into 2010 once moves to clean up the sector start in earnest.
然而，有人担心严重的信贷紧缩会于09年晚些时候开始出现，并且，一旦整顿银行业的行动适时展开，将有可能进入2010年。
Once everyone is tired out, organisers like Newmindspace in New York collect pillows to donate to no-kill animal shelters and remind participants to clean up any mess.
当所有人都玩过瘾，感到精疲力竭时，像纽约的Newmindspace组织者会收集这些枕头，然后把它们捐给禁止杀戮动物庇护所，同时还提醒参加者清扫脏乱的现场。
Our shower stays pretty nice all the time, and I only officially clean it once in a while.
我们的浴室看起来就一直非常整洁，事实上我一段时间内只有打扫一次。
Every once in a while, clean your mouse, keyboard and computer fans of dust and other buildup.
每过一段时间，清洁你的鼠标，键盘，电脑风扇以及其他设备上的灰。
She designed a distinctive tool you could twist in two directions at once, and still keep your hands clean and dry.
于是，她设计了一个非常有特色的工具——可以同时向左右绞拧的拖布，还可以保持你手部的干净清洁。
Use it once a week to find clean clear skin over the long term.
一星期用它一次会发现干净的，洁净的皮肤能维持很长一段时期。
Why not consider hiring a housekeeper to come in and clean your house once a week?
为什么考虑雇以为一个家庭保姆来每周给你打扫打扫屋子呢？
As a child, he once laid newspaper down the street to keep his new shoes clean.
他小时候，有一回还沿街铺上报纸，免得他的新鞋走路踏脏。
Clean water means precious time once spent fetching water can now be devoted to spending time with families.
清洁的水意味着以前浪费在取水上的宝贵时间现在可以用来和家人相处。
Ignore any errors regarding undefined methods because these errors clean up once the remainder of the code is added.
忽略有关未定义方法的错误，因为添加其余的代码后将清除所有这些错误。
Anyone who's been to McDonalds knows how those junky little Happy Meal toys pile up. Periodically I clean out the toy box and toss the older ones. Every once in a while he decides to dig one out.
带孩子去过麦当劳的父母都知道，那些快乐儿童餐随赠的小玩意一堆一堆的，我总会在整理玩具的时候扔掉一些废旧的，可是孩子想起来的时候就会到处找。
WITH the disastrous oil spill in the Gulf, talk has once again turned to clean energy.
墨西哥湾石油泄漏造成了重大生态灾难，自此，人们的话题再次转到清洁能源上。
WITH the disastrous oil spill in the Gulf, talk has once again turned to clean energy.
墨西哥湾石油泄漏造成了重大生态灾难，自此，人们的话题再次转到清洁能源上。
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