Sickle-cell anaemia is passed on through a recessive gene.镰状细胞贫血通过隐性基因遗传给后代。Blue eyes are recessive and brown eyes are dominant.蓝眼睛是隐性的;而褐色眼睛是显性的.F 1 females could be backcrossed to the male homozygous recessive parent.也...
秃鹫啄出了那只死羊的眼睛.Vultures had pecked out the dead sheep's eyes.那只鸟用喙从向日葵中啄出种子.The bird pecked seeds out of the sunflower.那只小鸡从土里啄出一条蚯蚓.That chick pecks out an earthworm from the earth....
由于抗震的要求, 砖混住宅一般在5层 、 6层以下.Due to seismic requirements, brick houses generally 5 layer, 6 layer below.在可以自然抗震的活着的树根里建房?A house built from living tree roots that provides natural against earthquakes?当然加州已经是属于完全 抗震 的地区了.Cal...