输卵管连接着卵巢和子宫。The fallopian tubes connect the ovaries with the uterus.胎儿在子宫内的发育a baby's development in the womb当受精卵植入子宫壁时，妊娠就开始了。Pregnancy begins when the fertilized egg is implanted in the wall of the uterus....
其次是拔取耐碱性颜料或染料或增添料.This was followed by the adoption of alkali - dye or pigment or filler.黄木一种可产生黄色染色剂的热带美洲产雌雄异株树木 ( 黄木或染料桑木 )A small dioecious tropical American tree ( Chlorophora tinctoria ) having wood that yields a ye...