便秘时可服用泻剂.If you're constipated you may need a laxative.酒石酸及其钾盐是有渗透作用的泻剂.Sodium potassium tartrate and tartaric acid are osmotic laxatives.您需要服食泻剂来驱使肠胃的蠕动?Do you depend on laxatives to ease your bowel movements?...
Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.In benzene...
Some Australopithecus molars show no trace of microscopic cracks that hard foods should create.一些南方古猿的磨牙看不出坚硬的食物会留下的显微裂缝的痕迹.The elephant grinds its food with its powerful molars.象用其强有力的臼齿嚼碎食物。" Finest specimens of human ...
The children were all named after saints.这些孩子都取了圣徒的名字。Once a tough defensive team, the Saints now have the most porous defence in the league.圣徒队一度防御能力很强,现在却成了联盟里防守漏洞最多的队伍。Men are not saints; how can they be free from fau...
GPS operates best near the equator.全球定位系统在赤道附近性能最好。The equator is an imaginary line around the middle of the earth.赤道是一条假想的环绕地球腰部的线。Singapore is near the equator.新加坡位于赤道附近....