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1·The National Arbor Day Foundation has challenged many cities to earn its Tree City USA flag by planting and protecting more trees.

国家植树节基金会向许多城市发起挑战，要求它们通过种植和保护更多的树木来赢得那面“美国树城”的旗帜。

2·Kibara and hundreds of other farmers have been removing some of their tea bushes and planting a new kind of tea developed by the Tea Research Foundation of Kenya.

基巴拉和其他数百名农民不断移除他们的部分茶树，换成一种由肯尼亚茶叶研究基金会（Tea Research Foundation of Kenya）开发的新品种茶树。

3·Mr. Kibara and hundreds of other farmers have been removing some of their tea bushes and planting a new kind of tea developed by the Tea Research Foundation of Kenya.

基巴拉先生和其他上百位农民拔掉了他们的一部分茶树，换成另一种由肯尼亚茶叶研究基金会开发的新品种茶树。

4·On the foundation of above conclusion, the corresponding application countermeasure for establishing classified suitable planting district has been put forward in this paper.

在以上结论的基础上，本文对该地区应分类建立适宜种植区，提出了相应的利用对策。

5·On this foundation, we had proposed three suitable sets of planting technology.

在此基础上，提出了配套的高产栽培技术。

6·As a supporter of China Green Foundation, Otis sponsors the planting of a tree for each elevator or escalator it sells in China.

作为中国绿化基金会的合作伙伴，奥的斯在中国每卖出一部电梯或扶梯，就捐赠一片树林。

7·Check out the NADF (National Arbor Day Foundation) online to find out more about planting a tree in your area or how to volunteer in an urban center.

查看国家植树节基金会网能找到更多有关在你的社区栽棵树或者如何在市中心当志愿者的信息。

8·The Arbor Day Foundation can tell you how to plant a tree in someone's name as a gift, donate a tree in someone's honor, or memorialize a loved one by planting a tree.

植树节基金会能告诉你如何以某人的名义种棵树作为礼物，以某人的荣誉捐赠一棵树，或者为了纪念挚爱载一棵树。