These organisms penetrate into snails, multiply, and develop into cercariae , the infective form for man.这些毛蚴进体螺体, 繁殖和发育对人类有传染性的尾蚴.The tears also contain a potent microbe - killer called lysozyme, which guards me from in...
I tried to imagine Dad's rough hands on this delicate instrument - and couldn't.我尽量想象爸爸那双粗手在摆弄这把精巧的小提琴 —— 可就是想象不出来.Rough hands plucked at my jacket.一双粗糙的手拽着我的上衣....
The two places, he insists, are as different as chalk and cheese.他坚持说那两个地方有天壤之别。Germany, however, insists on restrictions on the import of Polish coal.但是德国坚持对进口波兰煤炭加以限制.He insists any tax cut be matched dollar-for-dollar...
参加者按年龄分组。Participants were categorized according to age.今年的节日吸引的参加者之多创了纪录。This year's festival attracted a record turnout.这是一场全国性运动，参加者的政治信仰各不相同。It is a national movement and has within it people of all political pe...
他们试着在洞穴正下方的一块地上挖掘。They tried digging in a patch just below the cave.这正是洞穴探险者害怕的那种洪水。This is the type of flood dreaded by cavers.那些洞穴深约18公里。The caves extend for some 18 kilo-metres....
He glimpsed Sonia, resplendent in a red dress.他瞥了索尼亚一眼，见她一身红衣，光彩照人。I glimpsed a bleak future.我隐约感到前途黯淡.I glimpsed her among the crowd just now.我刚才看到她在人群里....