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Objective To observe the influence on the distribution of infected snail by the excrement of fisherman in the downstream of Qiupu River. 目的观察秋浦河下游渔船民粪便污染对感染性钉镙分布的影响。
Each year, two hundred eighty thousand people die of schistosomiasis, also known as bilharzia or snail fever.The microscopic worms infect snails, which in turn lay infected eggs . 自从二十世纪八十年代以来，超过七十个热带国家的科学家们主要使用同一种药物来对抗血吸虫病。
Each year, two hundred eighty thousand people die of schistosomiasis, also known as bilharzia or snail fever. The microscopic worms infect snails, which in turn lay infected eggs. 每年有280000人因为血吸虫导致的血吸虫病和钉螺热而死亡。显微镜下血吸虫感染钉螺，然后开始产卵。
The miro* microscopic worms infect snails, which in turn lay infected eggs. 这种显微的虫子感染螺丝，然后再继续感染生下的卵。
The microscopic worms infected snails which in turn lay infected eggs. 这种微小的蠕虫感染了蜗牛，然后产下感染的虫卵。
The * microscopic worms infect snails which interm in turn lay infected eggs. 这种微型蠕虫能传染然后，蜗牛再排出受感染的卵。
The microscopic worms infect snails, which in turn lay infected eggs. 微型蠕虫传染蜗牛，蜗牛产下受感染的卵。
Each year, two hundred eighty thousand people die of schistosomiasis, also known as bilharzia or snail fever.The microscopic schistosoma worms infect snails, which inter in turn lay infected eggs. 自从19世纪八十年代，超多70个热带地区国家的医生使用一种主要的药物来治疗血吸虫病。
The overall mass of infected snails sometimes surpassed that of uninfected snails by as much as 30%. 有时，跟未感染吸虫的蜗牛相比，遭受感染的蜗牛数量竟然超过了30%25。
The lark's on the wing, the snail's on the horn. 云雀在空中飞翔，蜗牛伸出触角爬行。
The snail retreated into its shell. 蜗牛缩进壳里去了。
The boy does his work at a snail's pace. 小男孩慢吞吞地做作业。
That janitor is a snail who never gets things done. 那个照管房屋的人动作慢吞吞的,什么事也做不成。
She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
My right eardrum have become infect. 我的右耳鼓已经感染了。
A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
A snail shrinks back at a touch. 蜗牛一碰就缩回去了。
The open wound soon became infected. 裸露的伤口很快就受到了感染。
We should not be infected by erroneous ideas. 我们不应该受错误观念的影响。
The air is infected with noisome gases. 空气受到了有害气体的污染。

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