different varieties短语⁴¹⁸⁷¹ 基本例句 不同品种 Do we really need13 different varieties of Cheerios? 我们真的需要13种口味的脆谷乐吗？ blog.sina.com.cn Often elements have many different varieties of isotope, some more stable than others. 多数情况下元素都会有很多个同位素，其中有一些会比其他的要稳定得多。 yeeyan One of my friend's children knew30 different varieties of birds before she was four. 我一个朋友的孩子不到4岁就能辨别30种不同的鸟类。 yeeyan