杂交种动物

例句：

1. 1.The scientists are trying to breed a new strain of rice.
   科学家们正在尝试培育一种新的水稻品种。
2. 2. The dog is a crossbreed between a German Shepherd and a Poodle.
   这只狗是德国牧羊犬和贵宾犬的混血。
3. 3. The farmer is breeding hybrid corn for better yield.
   这位农民正在培育杂交玉米以提高产量。