Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%....
用黑色毡头笔画出基本轮廓（见图4）。Draw the basic outlines in black felt-tip pen (see fig. 4).从上往下俯瞰，山谷呈现出人形轮廓。Viewed from above, the valleys form the shape of a man.他摸着自己轮廓分明的下巴想了一会儿。He thought for a moment, stroking his well-defined ja...
Curdling occurs when milk turns sour and forms solid 2 chunks.凝结时牛奶变酸并且结成2大块固体.The sluggish cream wound curdling spirals through her tea.黏糊糊的奶油在她的红茶里弯弯曲曲地凝结成螺旋形.The stuff was all over her left thigh, curdling and blister...
那名受伤的男子一动不动地仰面躺在那里。The injured man was lying motionless on his back.那个婴儿仰面躺着，两眼紧闭。The baby lay on his back with his eyes closed tight.两名妇女一动不动地仰面躺着。The two women lay on their backs, not stirring....