Once the ovum is released it has a lifespan of 12 to 36 hours.卵子排出后可存活12至36小时。By day 11 the ovum begins to attach and implant in the lining of the uterus.到第11天卵子着床嵌入子宫内壁.One way is taking the cell from a fertilized ovum....
建筑物周围洒布杀虫药也能防止昆虫孳生.Spraying the area around buildings with an insecticide also prevents insect build up.为油漆 、 清漆、亮漆及杀虫药制剂中最适合用之溶剂.Excellent solvent for paints, varnishes stoving enamels and insecticide formulations.建筑物周围...
他所传达的信息针对的是以色列政局中尚未表态的中间派。His message was aimed at the undecided middle ground of Israeli politics.该产品还只是工程师头脑中尚未成形的想法。The product is still only a gleam in an engineer's eye.再往南走有一些这个岛上尚未被破坏的迷人小海湾。Further to the sou...
孙侦探摇了摇头,似有无限的感慨.Detective Sun shook his head as if deeply moved.老者连连的点头,似乎有无限的感慨与牢骚.He nodded repeatedly as if carried away by wretchedness and frustration.鸿 渐 为哈巴狗而发的感慨,一半是真的.Hung - chien's lament over the Pekinges...