全部

1·Plato walked forward, and before long, he returned with a tree. The tree was not thriving, and it was not tall either, it was only an ordinary tree.

柏拉图出发了，没过多久他就回来了，扛着一棵很普通的树，树长得不茂盛也不高。

2·The two tree were thriving again several days later.

几天后，两棵树又是生机盎然。

3·St. Louis is a comfortable place to live and study, combining the aspects of both a thriving metropolis and beautiful tree-lined neighborhoods, all within walking distance of campus.

圣路易斯大学有着良好舒适的学习生活环境，结合了大都市的繁华与安静美丽的林荫大道，校园内所有地方都可步行到达。