“杂交的”造句

种间杂交的主要障碍是F1代的不育性.
A major barrier to interspecific hybridization is sterility in the F 1 progeny.

那是一株杂交的四季开花的蔷薇.
That is a hybrid perpetual rose.

骡子是一种杂交的变态产物, 本来是不该饲养的.
Mules are misbegotten, unnatural critters and it ought to be illegal to breed them. "