One day, I bent down and picked up the book dropped from her hand when she was passing me.

有一天，她在与我擦肩而过时，不小心把手中的一本书掉落在地，我弯腰替她拾起了书。

I bent down to smell the flowers.

我弯下腰闻花香。

She bent down to pick up her glove.

她俯身去捡手套。

She bent down to shake a pebble out of her shoe.

她弯下腰，把鞋里的一粒石子抖出来。

She bent down, picked up a rock, and threw it into the trees.

她弯下腰，拣起一块小石头，把它扔进树林里。