nest-site英'nests'aɪt美'nests'aɪtBNC¹²⁶⁴¹⁶⁺⁴ 基本例句 巢址¹⁰⁰ There are4 main vegetation characteristic factors that determine the nest-site selection, the factors are the vegetation canopy, vegetation density, food and the height of plant. 决定大鸨繁殖期栖息地选择的主要植被特征因子共有4个，分别为植被盖度因子、植被密度因子、食物因子和植物高度因子。 cnki