Infection with head lice is no reflection on personal hygiene.
染上头虱并不会给个人卫生带来不好的影响。
His clothes were crawling with lice.
他的衣服上爬满了虱子。
海虱正在杀死它们。
Where exactly is lice on the list?
在那个名单上虱子排在哪？
Infestation with lice especially crab lice; pediculosis.
虱病虱子的寄生侵扰，尤指毛虱；虱病。
Scott was robbed once and picked up lice the second time.
斯科特在收容所被抢过一次，还两次被除虱。
Infestation with lice, especially crab lice; pediculosis.
虱病虱子的寄生侵扰，尤指毛虱；虱病。
Tea tree oil is sometimes used in shampoos for head lice.
而茶树精油也会添加在洗发精里以去除头蝨（惊！）
The new approach rests on reconstructing the family tree of lice.
这种新的方法要借助对虱子系统树的重建。
So lice have been with us since the world's first clothes were made.
在世界第一件衣服出现后虱子也就和我们形影不离了。
A female monkey is seen in the background, removing lice from another monkey.
背景中可以看到一只母猴子在为另一只猴子抓虱子。
He spake, and there came divers sorts of flies, and lice in all their coasts.
他说一声，苍蝇就成群而来，并有虱子进入他们四境。
But this is difficult to do with lice, for which almost no fossils are known.
但是这就虱子来说就非常困难，因为几乎没有发现过它的化石。
Species of human lice thus mirror the splits in the tree of ape and human evolution.
人体上的虱子物种反映了猿和人类进化历程的分节点。
We studied 132 children without head lice who lived in a slum in north-eastern Brazil.
针对生活在巴西东北部贫民区内的132名无头虱症的儿童开展了一项研究。
In this article, we'll answer more of the questions that people have about head lice.
在这篇文章中，我们将回答更多的问题，人们有大约头虱。
It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.
它说明了虱子的历史非常久，在白垩纪-早第三纪过渡期之前，而且也肯定是寄生在某种生物上的。
Monkeys rest backstage after a show. A female monkey is seen in the background, removing lice from another monkey.
猴子们表演完后在后台休息。背景中可以看到一只母猴子在为另一只猴子抓虱子。
Human beings have evolved to jump away from spiders, cockroaches, rats, bedbugs, earwigs, lice, fleas and centipedes.
从类已经进化成见到蜘蛛、蟑螂、老鼠、臭虫、蠼螋、虱子、跳蚤、和蜈蚣等害虫就吓得立刻跳开的地步。
Also known as plant lice, aphids are tiny soft-bodied insects that suck the nutrient-rich SAP from the stems of plants.
蚜虫是一种很小的软体昆虫，以吸取植物枝干里的营养汁液为生，也被称为植物虱子。
When salmon farming first started in Europe, the fish often became infested with lice, which then spread to wild fish.
当鲑鱼养殖在欧洲开始的时候，这种鱼经常伴随着虱子大量滋生，随后虱子又蔓延到野生鱼上。
Scientists also hypothesized that feathered dinosaurs had lice and determined that yawns are contagious among chimpanzees.
科学家还猜测有羽毛的恐龙会生虱子，还认定呵欠在黑猩猩中也是会传染的。
Human head lice are related genetically to lice on chimpanzees, and the two species began to diverge as humans and chimps diverged.
人类头上的虱子同黑猩猩身上的虱子有遗传学上的关联。随着人类和黑猩猩的分化，这两种虱子也开始分道扬镳。
Camps were often infested with lice and other diseases and it wasn't uncommon for loggers to wear the same clothes for months on end.
营地通常虱子成灾，疾病频发，伐木工几个月不换衣服是很平常的事情。
To decrease the number of head lice episodes per unit of time, control measures should include the treatment of all household contacts.
为了减少每个时间单位内出现头虱症患者的数量，应采取包括治疗所有家庭接触者在内的控制措施。
But they do not (as, for example, lice do) live on their hosts continually. Once a bird fledges, therefore, it leaves its parasites behind.
但是它们不会一直寄生在它们的宿主身上(虱子才会)，当鸟儿羽翼丰满时，鸡蚤就会离开。
But they do not (as, for example, lice do) live on their hosts continually. Once a bird fledges, therefore, it leaves its parasites behind.
但是它们不会一直寄生在它们的宿主身上(虱子才会)，当鸟儿羽翼丰满时，鸡蚤就会离开。
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