《洁净水法案》1977年的修正案,是这些问题的派生物.The 1977 amendments to the Clean Water Act were an outgrowth of these problems.最初的源头生成了几个派生物.There were a few derivatives obtained from the original source.为什么白金雀儿碱的派生物是苦的?WHY ARE THE LUPANINE ...
Excess resin is suspended in the crude homogenate.过量的树脂悬浮于粗匀浆中.Objective To define the antiviral activity of Musca domestica larva homogenate.目的确定家蝇幼虫匀浆液的抗病毒作用....
选择客厅墙壁的颜色绝非易事。Choosing the colour for the drawing-room walls was no easy matter.地面上升起的湿气使墙壁的颜色变得很难看.The damp rising from the ground caused the walls to stain badly.葛莱尼斯老头把椅子拖到靠墙壁的地方.Old Grannis had drawn his chair close ...