Although most life in tropical waters is concentrated around the coral reefs and the seagrass meadows, 虽然多数热带海洋生物 聚集在珊瑚礁或者海洋牧场里
so coral in effect feeds around the clock. 这样,珊瑚虫可以昼夜不断地有效进食
These shallows around the equator are excellent nurseries. 赤道附近的浅海是个非常理想的托儿所
but then, getting around doesn't use much energy. 但在雨林里毫不费力就可以轻易找到
The songs of courtship echo from all around. 蛙求爱的声音此起彼伏
New Guinea lies in a warm tropical belt that girdles our planet around the equator. 新几内亚岛地处热带,赤道从岛中穿过
For months they've been scattered over huge areas, clinging to existence around tiny water holes. 这些动物曾接连数月 守着零落四方的小水坑 过着艰难的生活
0n temperate plains around the world, summer is a time for growth and reproduction. 在世界各个温带地区的草原上 夏季都是生长繁殖期
Ideal sites are in short supply and quarrelsome neighbours are all around. 理想的地方寥寥无几,邻里纠纷时常发生
extends one third of the way around our planet. 便横跨了地球的三分之一