现代猫的直系原种是古埃及的卡菲尔猫。The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt.自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.Autotrophic mutants were prepared from six different stocks of the homoictic group.疑有诱发倒位的雄性然后用于建立原...
把平底锅里的水烧开，然后加入鼠尾草。Boil the water in the saucepan and add the sage.一群群法国人像旅鼠一样涌上通往巴黎的高速公路。The French crowds pour like lemmings down the motorway to Paris.那只棕鼠两只耳朵向前支着，一条长尾巴布满鳞片。The brown rat has prominent ears and a long ...