很难找到彼此间差异更大的人了。It would be difficult to find two men who were more dissimilar.差异在于，你们是英国血统，而我们是拉丁裔的。The difference is, you are Anglo-Saxons, we are Latins.比较两类人可以发现有趣的差异。Interesting distinctions can be drawn between the ...
The feeding of dairy cows has undergone a revolution.乳牛的喂养方法发生了巨大的改变。Five cows graze serenely around a massive oak.5头奶牛在一棵大橡树旁悠闲自在地啃着青草。The gadget is used to artificially inseminate cows.这个器具被用来为母牛实施人工授精。...
The abnormality mitral stenosis was in myocardium, not in the valve.二尖瓣狭窄的病变是在心肌而不是在瓣膜.Valvular heart disease, usually aortic and mitral insufficiency, can complicate a variety of systemic diseases.瓣膜性心脏病, 以主动脉瓣及二尖瓣闭锁不全为...
我们在那艘游艇上四处看了看，检查了它的系索和应急装置。We made a tour of the yacht, checking lashings and emergency gear.把船固定在缆柱, 系索拴, 或夹板上.To supply , support , secure, or strengthen with a cleat....
This structure is called the heme group.这一结构叫做血红素基因.A conjugated protein, such as hemoglobin , that contains a colored , metal - containing prosthetic group, such as heme.从血色素中除去亚铁血红素而获得的一种无色蛋白质.Cytochrome P 450 s are a ...