I was a dunce at chemistry.我在化学方面是个劣等生....a chemistry textbook.化学课本Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一.It was by using anima that Besant and Leadbeater could observe atoms a...
Hap-piness is the ability to make the most of what you have.幸福就是有能力充分享受你拥有的一切。This reflected the stability of HAP sol of surface modification.这些说明通过对HAP粒子表面改性后,HAP水溶胶体系稳定.Objective Hospital - acquired pneumonia ( HAP ) h...
The catalog includes helpful information on the different bike models available.目录中包括了在售的各种型号自行车的有用信息。The catalog is organized alphabetically by label name.这个目录按标签名的字母顺序排列而成。This stamp catalog ( ue ) s at five dollars.这张...