Darku达尔库darkadj.黑暗的；深色的n.黑暗；暗处；深色调v.使变黑；变黑Dark adaptation study暗适应研究dark-heat radiation暗热辐射Darkschevitsch fibers达氏纤维(从视束到视神经节的大脑神经纤维)dark adapting goggles暗适应眼镜dark headed stemborer台湾稻螟Darkness pretreatment暗培养dark Japanese apricot乌梅dark-field elements暗视野配件dark current analysis暗电流分析Dark Cloak of the Sky天空暗黑斗篷

1. The yolk sac is gradually vascularized.
   卵黄囊逐渐被血管化了。
2. The dye Trypan Blue has a remarkable biphasic effect on pinocytosis by yolk sal.
   染料锥虫蓝对卵黄囊的胞饮作用具有明显的双向作用。