Study the anti-fecundity effect of artesunate against the schistosoma mansoni by observation and analysis of the parasite egg laying.
通过观察青蒿琥酯对曼氏血吸虫雌虫产卵的影响，分析药物的抗生殖作用。
But one lesson is clear. Laying off, even for just six years, has as big an effect on migratory fish as it does on sedentary ones.
但有一点是显而易见的：停止捕鱼活动（即便只持续六年时间）对于洄游鱼类的影响，与对于非洄游鱼类的影响同样大。
But laying down dozens of tents and announcing that you and your friends intend to live there indefinitely always sounded suspiciously like an attempt to, in effect, privatize that public space.
但是放下成千上万的帐篷并声明自己和自己的朋友们将打算住在那里一直不走，总是让人听起来产生怀疑，是不是有一种将公共场所据为己有的企图。
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