1·We've gone over where coral reefs are usually formed—along the edges of shallow ocean banks in tropical or subtropical regions, and the fact that they are declining at an alarming rate.
我们已经对珊瑚礁通常是在哪里形成的问题进行了讨论，它们是在热带或亚热带地区沿着浅海海岸的边缘形成的，而它们的数量正在以惊人的速度减少。
2·Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
3·Morsels of plankton a school of spadefish hovers near the surface off Japan's subtropical Bonin Islands.
一群西鳞白鲳在日本亚热带的小笠原群岛附近的海面上徘徊。
4·There is a wide variety of subtropical trees;
沿海岸地区具有广泛、多样的亚热带树木；
5·A subtropical humid monsoon climate zone.
属亚热带季风湿润气候区。
6·The foothills descend into the subtropical Duars plain.
丘陵地带以下是亚热带的Duars平原。
7·Atlas moths are found in the tropical and subtropical forests of South-East Asia.
乌桕大蚕蛾在热带以及东南亚的亚热带森林较为常见。
8·The area includes subtropical forests and is home to 400 rare or threatened species.
该地区为亚热带森林并且是承载400余种稀有和濒危物种的家园。
9·In the subtropical oceans, by contrast, phytoplankton populations drop off in summer.
相比之下，亚热带海洋的浮游植物的种群数量在夏季回落。
10·This scarlet macaw is found in the subtropical rainforests of Central and South America.
这种绯红金刚鹦鹉常见于中美洲和南美洲的亚热带雨林。
1·We've gone over where coral reefs are usually formed—along the edges of shallow ocean banks in tropical or subtropical regions, and the fact that they are declining at an alarming rate.
我们已经对珊瑚礁通常是在哪里形成的问题进行了讨论，它们是在热带或亚热带地区沿着浅海海岸的边缘形成的，而它们的数量正在以惊人的速度减少。
2·Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
3·Ornstein says subtropical regions, such as the Sahara and the Australian outback, do not have this problem.
奥恩斯坦说，亚热带地区，如撒哈拉沙漠和澳大利亚内陆，却没有这个问题。
4·Buruli ulcer has been reported in over 30 countries mainly with tropical and subtropical climates but it may also occur in some countries where it has not yet been recognized.
布鲁里溃疡在主要为热带和亚热带气候的30多个国家均有报告。但是它也可发生在该病尚未得到确认的一些国家。
5·This scarlet macaw is found in the subtropical rainforests of Central and South America.
这种绯红金刚鹦鹉常见于中美洲和南美洲的亚热带雨林。