版式应该清晰悦目。The layout should be clear and easy on the eye.新的版式会疏远上了年纪的读者群，并且也不会吸引年轻读者。A new format would alienate its ageing readership without attracting young readers.我翻过那本烹饪书。我喜欢它的版式设计。I've been looking at the cook...
I found it very easy to forget about Sumner.我发现忘掉萨姆纳很容易。The county hospital could find no physical cause for Sumner's problems.关于萨姆纳的问题，县医院查不出任何生理上的原因。Sumner would greet us with frowns and grimaces, doing his best t...
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...