There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.Describe the excretory system of the genus Nereis briefly.简述沙蚕属的排泄系统.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官In the earthworm and many...
谁来决定他们之中谁的权力应该更大一些？Who is to say which of them had more power?我记不清我们再次会面是谁的主意了。I can't remember whose idea it was for us to meet again.我不知道那是谁的外套。I wondered whose the coat was....
Please listen while I define your duties.在我规定你的职责时,请仔细听好.Please define the words.请准确地解释这些字的意义.It's hard to define exactly what has changed.很难解释清楚到底发生了什么变化....
He appears to have two slits for eyes.他眯着两眼.We made two slits for the eyes and a perpendicular line for the nose.我们划了两道缝儿做眼睛，另外划了一条竖线做鼻子。" You go to -- Halifax,'she said tensely, her green eyes slits of rage." 你给我滚 ...
John was trying to slink into the house by the back door.约翰想从后门溜进房子里。Should she slink around as if she disgraced herself?难道她该像做了坏事般终日躲着 吗 ?At the office , they slink into hallways, bathrooms, and stairwells.在写字楼里, 他们灰溜溜躲...