1·The Black Death of 1348 was caused by gradual loss of the humus fertility found under forest trees.
1348年的黑死病是由森林树木下腐殖质的逐渐丧失引起的。
2·The shade of the forest trees provides a home for birds and other special that depend on the trees' flowers and fruits.
森林里,树木的树荫为鸟类和其他依靠树木的花果而生长的特殊物种提供了家园。
3·The pillars are tilted, just like forest trees.
设计师们解释道,“柱子是倾斜的,就像森林里的树一样。
4·Phosphorus stress is often an environmental stress for forest trees.
磷胁迫是森林树木常常遭遇到的逆境。
5·Critical temperatures are only now being determined for forest trees.
临界温度现已在林木方面有所判定。
6·Farmers would then get money for preserving forest trees, as well as for their chocolate.
农民就有钱维护森林树木,还有他们的巧克力。
7·These conditions should be appreciated when considering estimates of neighborhood size for forest trees given in the literature.
当参考文献中所给的林木邻域大小估计量时,这些情况都应当予以考虑。
8·These lordly forest trees, with their huge shadows, towering there like so many giants--what immense lives had they lived through the centuries!
在这庄严的森林里,这些高树连同它们巨大的影子,就像许多巨人在矗立着----这许多世纪它们在这里度过了无限的光阴啊!
9·To gather samples from the Giant Forest trees, the researchers were allowed to collect cross-sections of downed logs and standing dead trees, he said.
史威特南说,为了获取巨木林中树木的年轮样本,研究人员被允许可以收集倒下树木或枯立木的横截面。
10·Tropical forest trees are absorbing about 18% of the carbon dioxide added to the atmosphere each year from burning fossil fuels, substantially buffering the rate of change.
每年化石燃料燃烧产生并排放到大气中的碳排放,有18%被热带森林吸收了,大大减缓了碳排放的增加速率。