Ajejas阿赫哈斯aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a difference in character在性格上的差别A snow step avalanched.冰雪砌的台阶崩塌了。a white clayey mineral.一种白色的粘土状矿物。a step partial derivative一阶偏导数a dangerous psychopath.严重的精神病患者a spring to one's step.a diesel/petrol engine柴油/汽油发动机a narrow brush with death差一点丢掉性命的遭遇A man aged fifty years.一个五十岁的男人。a famed poet and musician一位大名鼎鼎的诗人和音乐家

1. A variety of food is sold at a supermarket.
   超级市场各式各样的食物均有出售。
2. I have a variety of books at home.
   我家中有好多书。
3. We must meet the manifold needs of the people.
   我们必须满足人们多种多样的需要。
4. Fifthly, it provides various types of evaluation.
   第五，多种多样的评价方式。