After hydrolyzation with with acid the back and abdomen shell yielded 16 same kinds of acid.背甲胶经酸水解,有与腹甲胶相同的16种氨基酸.A new route for preparation and hydrolyzation of octa - O - benzyl sucrose was described in this paper.研究...
They sparred for a moment, on the brink of a full fight.他们互相推搡了一会儿，眼看就要大打出手了。Over the years he sparred with his friend Jesse Jackson over political tactics.这些年以来，他一直跟他的朋友杰西·杰克逊为政治手腕的问题争论不休。They had always gotten along, e...
Their flute - like warbling became happy and unrestrained.从中传出的笛儿般又细又亮的叫声,也就格外轻松自在了.Talk was unrestrained in the motels and bars.在汽车游客旅馆或是酒吧间里,人们谈起话来毫无顾忌.His campaign has been unrestrained and often vulgar.他的竞选活动恣意而为而且往往...
The ethnic populations are so intermingled that there's bound to be conflict.各民族人口如此杂居，肯定会发生冲突。Interesting distinctions can be drawn between the two populations.比较两类人可以发现有趣的差异。Figure 1.15 shows which provinces lost ...