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了不起的树:大自然的珍宝
情迷于世上不可缺失的植物
Terrific Trees: Nature’s Treasures
Fascinating facts about the world’s most necessary plants
We enjoy the beauty of trees, but most of us take them for granted. We shouldn’t. These terrific plants are essential to the environment and benefit our world in amazing ways. Did you know…
我们常常欣尝树的美态,但我们大多数人却又不把它当一回事.我们不应该这样做.这些了不起的树是环境生态的基本要素,同时它受益于我们当今这个令人惊异的世界.你可否知道....
*Trees keep the air fresh by removing harmful carbon dioxide and producing oxygen. Each year, one tree produces nearly 260 pounds of oxygen. A family of four can breathe the oxygen produced by just two trees for a whole year!
树可以保持空气清新,清除有害的二氧化炭和制造氧气.一棵树每年能产生约260磅的氧气.用两棵树一年所生产的氧气量足可以供给一个四口之家所呼吸的氧气量,
*In one year, an acre (43,560 square feet) of trees can absorb the same amount of carbon that a car produces traveling 26,000 miles.
一年,一英亩(43,560平方英尺)的树林能吸收由一辆车行驶26,000英里所产生的二氧化炭的量.
* Trees reduce yearly heating and cooling costes by 2.1 billion dollars in the U.S. Trees provide wind protection and shade. One shade tree can keep a building up to 20 degrees cooler in the summer!
在美国由于树木所起的作用,每年可以减少热量使气温凉快,从而节省用电大约21亿美元.树木还可以挡风遮雨.乘荫纳凉.在夏天,一棵树的遮荫范围,可以令到一栋楼房保持或下降温度大约20度左右.
*Following surgery, people in the hospital get well faster when they are offered rooms with a view of trees.
下面讲述有关手术问题,在医院外科手术后想康复快些,就要选择房间的窗户外有树木的地方.
*Rings inside trees can provide exact information about past environmental events, including weather and natural disasters.
树的年轮能提供准确的,过去有关环境生态的重要事件发生.它包括气候,自然灾害等.
*Trees are the longest living things on earth. The world’s oldest trees are more than 4,500 years old. But the average city tree only lives about eight years!
树木是地球上最长寿的植物.世上最老的树木已超过4千5百年.但城市里的树木平均只有8年寿命. |
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君子之过也，如日月之食也，过也，人皆见之；更也，人皆仰之！ |
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