They put coils in their tendrils so that if their support moves, they will stretch and not snap. 因此向支撑的树移动时 它们会伸展而不会断裂
It's quite a performance but he's not the only bird of paradise here keen to make an impression. 它的表演很精彩, 不过它并不是唯一给人深刻印象的极乐鸟
Not all temperate plains are so rich and colourful in the summer. 并非所有温带地区的草原 在夏季都是如此五彩斑斓
Not only is their prey seasonal, it's also hard to find. 不仅它们的猎物是季节性的,而且很难找到
Grass is not confined to the tropics. 草不仅生长在热带地区
Grasslands exist wherever there is a little rain, but not enough to sustain a forest. 草地无所不在 一点雨水虽然不足以维系一片森林 却可使一片草地存活下来