Rural schools were hamstrung by their inability to attract and keep experienced staff.
农村学校因不能吸引并留住有经验的教师而难以为继。
This machine is designed to save you effort, and keep your work surfaces tidy into the bargain.
这种机器是为了省力而设计的，而且它还会使你的工作台面保持整洁。
What mechanisms control handedness and keep left-handedness rare?
是什么机制控制了用右手或左手的习惯并使左撇子很少出现？
We need to be aware of the risks and keep working to alleviate the dangers.
我们需要意识到这些风险，并继续努力减轻这些危险。
What's going to hold this ribbon up and keep it reach enough to support an elevator car?
要用什么来让这条带保持向上，并让它足够支撑一个电梯轿厢呢？
You are not to begin playing with the animals in the servants' hall and keep them there.
你们不许在仆人厅里和动物玩耍，不许把它们留在那里。
If you're tired from study and work, Susan will tell you funny stories and keep you laughing a lot.
如果你学习和工作累了，苏珊会给你讲有趣的故事，让你笑个不停。
Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere.
最近我参加了几次会议，讨论了留住学生和防止年轻教师跳槽的方法。
Someday we may be able to take any cell and keep it alive functioning and reproducing itself essentially forever through the use of telomerase.
总有一天，我们也许能够利用端粒酶使任何细胞保持活力，使其正常工作并永久地自我复制。
Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact.
即使新的种群属于不同物种，它也可以大致填补已灭绝种群空出的生态位，保持食物网的完整。
To avoid interferences, and keep the telescopes sensitive, radio telescopes are built in places where there are no human radio waves or electronic signals.
为了避免干扰，保持望远镜的灵敏度，无线电望远镜被建在没有人为的无线电波或电子信号的地方。
I managed to stick to the diet and keep off sweet foods.
我设法坚持节食，不吃甜食。
They have warned residents to stay inside and keep their doors and windows shut.
他们已警告居民待在屋内并关好门窗。
One must apply oneself to the present and keep one's eyes firmly fixed on one's future goals.
人们必须让自己立足于现在，把眼光坚定地锁定未来目标。
Wear masks during the visit and keep distance with others.
参观期间佩戴口罩，与他人保持距离。
You have to try to take no notice of them and keep working.
你必须尽量不去理会他们，继续工作。
I began to write down my thoughts and keep them as a secret.
我开始写下我的想法，并把它们作为一个秘密。
Every student should behave well and keep away from violence.
每个学生都应该端正行为，远离暴力。
Listening to music can make me relaxed and keep my mood light.
听音乐可以使我放松，保持心情轻松。
So call on the "doctor" inside your mind, and keep happy and well!
所以，在你头脑中呼唤“医生”，保持快乐和健康！
Many traditional stories tell us to be honest and keep our promises.
许多传统故事告诉我们要诚实守信。
As long as you believe in yourself and keep trying, you will succeed.
只要你相信自己，不断努力，就会取得成功。
As middle school students, we must cherish our lives and keep away from drugs.
作为中学生，我们必须珍惜生命，远离毒品。
As middle school students, we must cherish our lives and keep away from drugs.
作为中学生，我们必须珍惜生命，远离毒品。
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