单词 | Head louse |
例句 | (1) Infection with head lice is no reflection on personal hygiene. (2) What's the treatment for head lice? (3) What can I do to avoid catching head lice? (4) How can I get rid of head lice? (5) Keep a look out for head lice and treat if necessary. (6) And head lice can cause other, more serious infections if they are left untreated. (7) How do I know if my child has head lice? (8) So scratching the scalp is usually the first sign that a child has head lice. (9) Head lice are tiny insects which live in the hair and feed by biting the scalp and sucking blood. (10) The female head louse lays shiny yellow eggs and glues them one by one to individual hairs, close to the scalp. (11) The human head louse, for instance, evolved from the chimpanzee louse when the ancestors of humans and chimps split apart some five million years ago. (12) The head louse, Pediculus humanus capitis is a tiny insect which lives on the hair. Occasionally, it is also seen in the eyebrows or beard. (13) Therefore, with such self-evident proposition, the answer is the same as with the bald head louse, are obvious. (14) So biologists have long been puzzled over the fact that the human head louse is a sister species to the chimpanzee louse, but the pubic louse is closely related to the gorilla louse. (15) In 2003, Mark Stoneking, a geneticist at the Max Planck Institute in Leipzig, Germany, estimated from DNA differences that the body louse evolved from the head louse about 107,000 years ago. (16) Extraordinary microscopic photography reveals the miniature worlds of the multi clawed head louse and the most misunderstood superhero of the insect world the common flea. |
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