查询词典 worms

The period between the initial infection when the dog is bitten by a mosquito and the maturation of the worms into adults living in the heart takes 6 to 7 months in dogs and is known as the "prepatent period".

从犬只经蚊虫叮咬而感染心蠕虫到心蠕虫成熟寄宿于犬只的心脏需要6-7个月的时间，这个阶段称为潜伏期。

Dogs show no indication of heartworm infection during the 6 month long prepatent period prior to the worms' maturation, and current diagnostic tests for the presence of microfilariae or antigens cannot detect prepatent infections.

在心蠕虫成熟之前的6个月的潜伏期内，受到感染的犬只没有任何症状表现。现有的诊断测试无法检出处于潜伏期的感染。

Worms will crawl between the newspaper layers to pupate, which makes it easy to collect them.

蠕虫会爬到之间该报层化蛹，这使得它很容易收集。

Within a year, these worms grow to almost a full meter, and encase themselves inside a hard crystalline cask to pupate. Within a month, they emerge as a six-legged flea.

一年之内，这些蠕虫会成长至将近一公尺长，并将自己变成一个坚硬透明的蛹；一个月之内，它们便会羽化为六足的熔岩蚤。

The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.

这个研究显示这个混合物能够有效的抑制感染人类的3种主要的血吸虫寄生虫。

The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.

研究还显示，该种化合物可以有效的杀灭感染人类的主要的3种血吸虫。

The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.

研究还表明此化合物对能够感染人类的其他三类主要的血吸虫品种都有效。

The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.

研究也表明，该化合具有很高的活性，对抗寄生在人体内的3种主要类型的血吸虫蠕虫。

The study also showed that the compound was active against all three major of Schistosoma worms that infect humans.

研究发现那种化合物也活跃抵抗三种感染人类的主要的血吸虫种类。

The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.

研究还表明，该化合物对感染人类的三种主要血吸虫都能进行主动的抵抗。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。