Wild tomatoes, for instance, are very small and round, but through selective breeding we now have cultivated tomatoes that may be pear-shaped, egg-shaped, or even donut-shaped.

 
  • 例如,野生番茄,很小也很圆,但是我们现在选择栽培种子得时候可以选择梨形的,鸡蛋形的,或者甚至是油榨圈形状的。
今日热词
目录 附录 查词历史