我们不能过寄生生活。
首先引起他们注意的是，那些幼年感染过寄生虫的雄鸟叫声要比其它鸟短三分之一，而且开叫也相对较迟。
Their first observation was that the songs of those males that had suffered fleas in early life were a third shorter than those sung by the others.
如果用来比喻人类与战争的关系，“上瘾”显得那么的苍白无力，也有失准确，“寄生”要更加切中要害一些，甚至说成“掠夺”也不为过。
"Addiction" provides only a pallid and imprecise analogy for the human relationship to war; parasitism — or even predation — is more to the point.
农业学家也考虑过用寄生蜂来控制果蝇。
Agricultural scientists have also looked at controlling fruit flies with parasitic wasps.
Mucci和她的同事观察了650名患有前列腺癌的男士并检查他们的血样来判断是否曾经被这种寄生虫感染过。
Mucci and her colleagues looked at more than 650 men with prostate cancer. They took blood samples from these men to determine whether they had ever been infected by the parasite.
实际上，在北方遥远的阿拉斯加州也能发现疟疾寄生虫——至少曾在鸟类身上发现过。
Actually, malaria parasites can be found as far north as alaska-at least in birds.
令人遗憾的是，蒸煮过的鱼也不能除掉鱼组织里面的水银，不过它可以杀死一些虫类，象微小的寄生虫和粗娓原虫。
Unfortunately, cooking fish can't remove mercury, but it can kill worms, like the tiny, parasitic worms Anisakis simplex.
寄生虫在我们的身体里过类似的生活，靠我们的能量、我们的细胞或我们吃进的食物甚至我们使用的营养补品维持生命。
The parasite lives a parallel life inside our bodies, feeding off our own energy, our own cells or the food we eat, or even feeding off the health supplements we use.
兽医：我们验过西斯勒的粪便了，牠肚子里有寄生虫呢。
Vet: Well, we've done a stool check on Sizzler and I'm afraid he's got worms.
兽医：我们验过西斯勒的粪便了，牠肚子里有寄生虫呢。
Vet: Well, we've done a stool check on Sizzler and I'm afraid he's got worms.
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