不可数名词：

1.植物总称，植被

2.呆板单调的生活

词形变化

形容词vegetational

英语解释

the process of growth in plants

an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)

inactivity that is passive and monotonous, comparable to the inactivity of plant life

all the plant life in a particular region or period