选育的英文：
seed selection
breeding
So we cannot breed a good breed with advantage of crossbreed.
本文作者从品种的系统选育角度，分析了这一地方鸭种资源的选育价值。
Radiation combined with crossing has bred 45.6% stable lines of total.
辐射与杂交相结合选育的稳定株系占总株系的45.6％。
n. 种子；萌芽；子孙；精液；种子选手
v. 播种，结实
It will be a multiplication of the seed.
这会带来这类种子的倍增。
Scatter seeds on the fields/scatter the fields with seeds
在田里播种[把种子撒在田地里]
Plants develop from seeds.
植物由种子发育而成。
n. 选择，挑选；挑选出来的人或物；选集，文选
skirt selectivity
边缘选择性
Then you select the leader.
然后你们选出指挥。
These are selections from Faulkner.
这些是福克纳选集。
n. 饲养；繁殖；教养
v. [breed] 的现在分词形式；孵卵；繁殖；饲养
To breed or propagate.
繁殖或增殖
Mice breed in all seasons.
老鼠终年繁殖。
a man of good breeding
有良好教养的人.