at the back of的近义词有：after, behind, at the back of。下面这些词均有"在……后面"的含义：after和behind用来表地点时，前者强调的是顺序的先后，而后者侧重方向和位置的前后关系。请比较：The student sat after me.那个学生坐在我后面。(我坐在他前面)。The student sat behind me.那学生坐在我背后。after与behind用于指时间时，前者强...
An environmental friendly phosphorus - free degreaser is obtained by orthogonal test.通过正交试验得到一种以表面活性剂为主、辅以助剂的环保无磷脱脂剂.Remove oil and grease, etc. with a suitable detergent or degreaser.用适当的清洁剂和脱脂剂除去油脂.This machine is main...
A method of measuring vibration isolator's shock characteristics is advanced.提出了一种测量隔振器冲击特性的方法.The model includes detector, management and decision - making center, isolator, and database.模型由检测机 、 管理决策中心 、 隔离器和中心数据库...
所献血液一律要经过人体免疫缺陷病毒的筛查。All donated blood is screened for HIV.一是确定并公示定点筛查与救治医院.The first is to identify and publicity targeted screening and treatment hospital.结论:每年一次螺旋CT筛查有助于发现可治愈的早期肺癌.Conclusions Annual spiral CT screeni...
我们急需这两种级别的货.We are in urgent command of any two grades.它威胁说要重建宁边核设施并重新开始制造武器级别的钋.It threatens to rebuild Yongbyon and start making weapons - grade plutonium again.下列长官职位是属于骑士级别的.The following prefects of equestrian rank ...
The drawing is transferred onto the wood by means of carbon paper.这幅画是通过复写纸印到木头上的。Ferns, mosses and fungi spread by means of spores.蕨类植物、苔藓和真菌通过孢子传播蔓生。The bathroom is ventilated by means of an extractor fan.这个浴室使用抽风扇通风。...
牧场把 四分之三 的小公牛都阉割了.The ranch castrated three - fourths of its male calves.告诉别人,她梦到我被人阉割是有益的?Telling people sHe dreams of me being castrated Florentined is HealtHy?阉割对性行为的后果是什 麽 ?What are the effects of castration on sexua...
I struggled with my bags, desperately looking for a porter.我提着行李艰难地走着，迫切地寻找着搬运工。I desperately needed something to occupy me during those long, lonely nights.在那一个个漫长、孤单的夜晚，我极需找点事做。He was desperately eager to be back after...