电话线那头噼里啪啦地传来警察局长短促的声音。The Chief Constable's clipped tones crackled over the telephone line.他快速、短促地呼吸着。He was breathing, quickly and shallowly.有人短促、嘲弄地笑了一声。There was a short, derisive laugh....
另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.直到不久以前,人们对胸腺的功能尚不明了.The function of the thymus was unknown until relatively recently.动物的免疫系统由两个主要部分组成,即胸腺和骨髓系统.I...
Softer fabrics are much more becoming than stiffer ones.软面料要比硬面料合身得多。She swathed her enormous body in thin black fabrics.她用薄薄的黑色织物裹住了自己硕大的身躯。She produces elegant wedding gowns in a variety of sumptuous fabrics.她用各种华贵的布料制...