In polar and cold temperate regions many of the evergreens are shrubs or trees with needlelike or scalelike leaves , adaptations that prevent water loss by transpiration 在两极或寒温带,多数常绿植物是灌木或具针状、鳞状叶片的树,这是一种防止因蒸腾而散失水分的适应机制。
英文解释
reduced to a small appressed thing that resembles a scale; "scalelike leaves"