Farm vehicles should be kept out of areas with weeds.
VOA: special.2009.05.26
If you wish to change sections, you may do so only with permission of the subject administrators because it's very important that those sections be kept at a small population.
如果你们想要改时间,你只能在课程管理主任允许,的情况下这样做,因为让课程的人数保持在比较少的水平,是很重要的。
There's no known cure for hepatitis B, although the virus can be kept in check with anti-viral medicines.
VOA: standard.2010.07.26
Dr.Kallio agrees with Dr.LaVan that the results support the recommendation that kids be kept away from tobacco smoke.
VOA: standard.2010.03.04
"We also feel that former child soldiers should be given assistance and be quickly reunited with their families rather than kept in detention."
VOA: standard.2009.09.16
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