选种的英文：
variety selection

参考例句：

Swim wheat to select seed.
浮麦选种

He taught us how to select seeds.
他教我们怎样选种。

variety是什么意思：
n. 变化；多样（化）；种类；杂耍

Variety is the spice of life.
变化乃是生活的情趣。

The variety of Illinois spoken by the Miami.
迈阿密方言迈阿密人所讲的不同伊利诺伊语的语言。

A variety of different symbols is in use.
符号的用法不统一。

Of a sumptuous,costly,or rich variety.
特等的豪华的、昂贵的或多种多样的

Any registered plant variety shall have a plant variety denomination.
任何一个已登记的植物品种都要有其名称。

selection是什么意思：
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。

Please select a certificate to delete.
请选择要删除的证书。

That college is very select.
那所学院入学要求十分严格。