他蹲在草丛里,以免被敌人发现。
He ___crouches in the grass to avoid being seen by the enemy.
小猫蜷缩在灌木丛后面,躲着不让人发现。
The kitten ___crouches behind the bushes to stay hidden.
那只小狗害怕地蜷缩在桌子底下。
The little dog ___crouches under the table in fear.