morbidity的音标：morbidity的英式发音音标为：[mɔ:'bɪdətɪ]morbidity的美式发音音标为：[mɔ'bɪdətɪ]...

There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.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.Describe the excretory syste...

不请吃就捣蛋（指万圣节孩子们挨家逐户要糖果等礼物，如不遂愿便恶作剧一番的风俗）...

vt.（用祈祷等）驱除（恶魔），给（某人、某地）驱除妖魔...

v.锻造( forge的第三人称单数 )，伪造，艰苦干成，努力加强...

The journalist did not want to reveal the identity of his informant.那个新闻工作者不想透露消息提供人的身分.'Old Bailey spy ,'returned his informant.“ 老贝勒的密探, ” 他的情报提供人说,“呀哈!The sound of our informant's voice directed him to ...

n.氟代甲苯...