The surgeons have been working for twenty hous without letup.那些外科医师一连工作了二十小时没有停止。He jaws with no letup.他没完没了地讲.We must develop the advanced productive forces without letup.我们必须坚持不懈地发展先进的生产力.They pressed on without letup ...
The paper studied ferment condition of Claviceps paspali to producing ergot alkali.研究了雀稗麦角菌产麦角碱发酵条件.Infection of grains by the ascomycete claviceps purpura causes ergotism, a toxic condition.谷物被子串菌纲麦角菌污染后,导致麦角中毒, 一种中毒症状....
幼犬在火炉前打滚.The puppies were rolling in front of the fire.虽然DJ还只是一只幼犬, 但它清楚地显示出了边境牧羊犬的典型斑纹.DJ is only a pup, but he clearly shows the classical markings.经销商:他们从商业犬舍购买幼犬,做转手的零售生意.One who buys puppies from commercial kennels ...