1. A tall evergreen timber tree(Pseudotsuga menziesii formerly P. taxifolia) of northwest North America, having short needles and egg-shaped cones. 生于北美西北部的一种高大常绿木材树（花旗松旧称黄杉），有短针和卵形松球。
2. 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，野生西红柿很小很圆，但是通过选种培育，我们现在可以种植出像梨的形状、鸡蛋形状甚至环形。
3. 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. 举个例子，野生番茄非常小且圆，但是通过选择育种，我们现在培育出的番茄可以有梨型、鸡蛋型，甚至炸面圈形状的。
