就在4年前，大白菜价格走低，作为促销策略，不加限制地放弃了。
Just four years ago, cabbages were so cheap they were being given away for free as a promotional tactic.
&我看了，便给它拿了几片白菜叶子，它就津津有味地吃起来了。
I see, then give it took a few cabbage leaf, it will taste with relish.
细胞中四价体的平均数目不仅在四倍体大白菜品系间存在着差异，在植株间也表现出明显地变化。
The mean numbers of the quadrivalents in the cells existed difference not only in the species but also in the individual plants of the autotetraploidy Chinese cabbage.
应用推荐