Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
和过量服用任何其他药物一样，身体会对它产生耐药性。As with any drug taken in excess, your body can build up a tolerance to it.连续用药可产生耐药性、精神依赖性和躯体依赖性.Tolerance and psychological and physical dependence may occur with continuing use.耐药性最高的是环丙沙星(29....
人生就应该是快乐的，要抓住每一天，孩子们，让你们的生活变得非凡起来。Carpe diem. Seize the day, boys. Make your lives extraordinary.终有一天，你会学会让泪往心里流。Eventually, you'll learn to cry that on the inside.这些天我有点焦躁。我看是荷尔蒙在作怪。I get a bit uptight these days. ...
对珍妮特来说，这一切听起来熟悉得叫人丧气。It all sounded depressingly familiar to Janet.嘉莉又疲倦又丧气, 不过现在她可以休息了.Carrie was tired and dispirited, but now she could rest.这人很年青,贼眉鼠眼,满脸丧气.He was a young man with furtive eyes and a sullen look....