tree species
树种
常用释义
英式发音
美式发音
基本释义
- 树种：指生长在自然环境中的树木的种类。
例句
-
1·Hundreds of tree species face extinction.很多树种濒临灭绝。来源: 《柯林斯英汉双解大词典》
-
2·Hundreds of tree species face extinction because of deforestation.由于森林砍伐，很多树种濒临灭绝。
-
3·Only a small number of tree species have the genetic capacity to grow really big.只有少数树种拥有长到很大的遗传能力。
-
4·The organic litter of another tree species might add less acid but more of something else.另一种树种的有机凋落物可能不会添加这么多酸，但会添加较多的其他物质。
-
5·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”。
-
6·Pests often target specific tree species and, if they become established, they usually remain as permanent components of the ecosystem.害虫通常以特定的树种为目标，一旦形成，它们通常会成为生态系统的永久组成部分。
-
7·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。
-
8·Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
-
9·China has the world's most ancient tree species — metasequoia.中国有世界最古老的树种——水杉。来源: 《新英汉大辞典》
-
10·What's more, many tree species are also disappearing.更重要的是，许多树的种类也即将濒临灭绝。