1·That means that for most threatening conditions, for climate, insects, and pests, whatever, there will be at least some individual trees of any given species tree that are resistant.
这就意味着无论何种树木，即便是在遭遇极端气候灾害或者虫害的情况下，都至少有部分个体对灾害有抵抗能力。
2·Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
3·Some species of tree have been 'read out of the party' by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
4·There's one species of snake, the brown tree snake, that uses both constriction and venom, depending on its prey.
有一种蛇——棕树蛇——会根据猎物的不同，同时使用毒液和挤压的方法来杀死猎物。
5·Shifts in forest species composition ramify through the ecosystem in many ways because tree species have different, often unique properties.
由于树种具有不同的、往往是独特的特性，森林物种组成的变化以多种方式影响着生态系统。
6·Hundreds of tree species face extinction because of deforestation.
由于森林砍伐，很多树种濒临灭绝。
7·The aim is to reverse the decline in the number of tree species or at least to preserve the "genetic material" of all of them.
其目的是扭转树种数量下降的趋势，或至少保存所有树种的“遗传物质”。
8·Hundreds of tree species face extinction.
很多树种濒临灭绝。
—— 《柯林斯英汉双解大词典》
9·One species of tree replaces another as a forest ages.
随着森林老化，一种树会取代另一种树。
—— 《柯林斯英汉双解大词典》
10·Evidence from other studies suggests that exclusion of fire results in markedly decreased plant-species richness, often with an increase in tree density.
来自其他研究的证据表明，没有火灾会导致植物物种丰富性显著减少，通常还会伴随着树木密度的增加。