1·Once shrub covers everything, you lose the meadow habitat.
一旦灌木覆盖了一切，你就失去了草地的栖息地。
2·Once the fire is out, the grass and shrub ecosystems should return quickly.
火一旦被熄灭，草和灌木的生态系统就会很快恢复。
3·An unremarkable shrub on the gravel plain moved and resolved into an ostrich.
砾石平原上的一株不起眼的灌木移动了一下，变成了一只鸵鸟。
4·The Solar Cell Tree Charger takes a lot less upkeep than average household shrub.
太阳能电池树充电器也比普通的家庭灌木需要更少的维护。
5·They're pretty close to the ground, but these warblers also nest in forests that have low shrub density.
它们离地面很近，但是这些蓝莺也会在灌木密度低的森林里面筑巢。