Purpose: Used in X - ray image intensifier , flasher, analytically reagent medical and special optical etc.用途: 红外光谱和闪烁器的光学材料, 用于特种玻璃、医药及用作分析试剂.The distinction will be made analytically more precise later when we consider...
There were six wires jumbled up, tied together, all painted black.有6根电线混缠在一起，而且都是黑色的。They had jumbled it all up into a heap.他们把所有的东西胡乱堆成了一堆。The watch parts fell apart and jumbled up.手表的零件散开了，混成一堆。...
They replaced trams by buses.他们用公共汽车代替了电车.Trams in London have been supplanted by buses.伦敦的电车已经由公共汽车取代了.He economized by using trams instead of taking a taxi every time he went to school.他上学搭电车而不坐出租汽车,以节省钱....
The rhododendrons encroached ever more on the twisting drive.越来越多的杜鹃花长到了蜿蜒的车道上。The rhododendrons encroached ever more on the twisting drive...越来越多的杜鹃花长到了蜿蜒的车道上。great clumps of rhododendrons大片的杜鹃花丛Several of these rhodode...