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...
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...
The boys lifted up their legs, indicating they wanted to climb in.男孩们抬起腿，示意想要爬进来。The increase slowed to 0.4 percent, possibly indicating the start of a downtrend.增长幅度降到了0.4%，可能意味着下降的开始。When dog bites dog, each gets a mou...
他们时常陷入枯燥的日常事务之中。All too often they become enmeshed in deadening routines.上班时，他淹没在枯燥乏味的会海中。At work, he was chained to a system of boring meetings.新闻广播准确可靠但却非常枯燥。Broadcast news was accurate and reliable but deadly dull....
沟渠里一具发胀的浮尸a bloated body floating in the canal弗劳恩霍夫的技师们可以将机舱内的气压降低到让耳朵发胀的程度, 以模拟在35,000英尺飞行的状态.Fraunhofer technicians can reduce air pressure inside, making ears pop , to mimic cruising at 35,000 feet.利用流水冲洗已发胀的燕窝30秒以清楚细...
She stumbled and fell, scraping her palms and knees.她绊了一下摔倒了，手掌和膝盖都蹭破了。Patrick lifted the gate to prevent it scraping along the ground.帕特里克把门抬起来免得刮着地面。She went round the car scraping the frost off the windows...她把结霜的车窗挨个...
Hypophysectomy before implantation terminates pregnancy and after the 44 th day of gestation causes abortion in goat.山羊与附植前切除下立脑可使妊娠终止,而在妊娠44天后切除则造成流产....