Unit14 Zoology
Reading
1. get hold of /catch hold of /seize hold of
2. tell …apart 把…区分开
3. over and over again/again and again/time and time again
4. maximum/minimum/medium 最大/最小/中等
5. as a matter of fact/ in fact/ actually
6. take turns speaking 轮流做某事
7. different varieties of 各种各样
8. live in groups 群居
