Becak贝卡克bev.有；在；是；到达；拜访bevonium metilsulfate贝弗宁甲硫酸盐be much of a muchness大同小异,半斤八两be free from mistakesprep.没有错误be dazzled at success胜利冲昏头脑be out of countenance失色,惊惶失措,局促不安Be not sad with it.请不要悲伤。be worlds world apart完全不同; 有天壤之别be definite in answer回答得明确be equal to ...等于 ...； 胜任 ...beiwujiapi glycosides北五加皮苷类, 杠柳皮甙类