他熬费苦心地描绘了这次野餐的根由.Laboriously did he describe the genesis of the picnic.大概这就是我和沙子结下不解之缘的根由.That's probably why I have an affinity with sand.这样,他力气的根由人还是不知道.So his strength was not known....
Ecodeme refers to a deme occuring within a specified kind of habitat.生态同群种是指出现于某种特殊生境内的同群种.Genoecodeme, an ecodeme differs from others genotypically.基因生态同群种, 它指在基因型上与其它有所不同的生态同群种....