The forest floor is the lowest layer full of animal life and receives the least amount of light.

地面层是最底层，那里满是动物，接收到的光线最少。

youdao

What does life look like on and below the sea floor?

海底和海底以下的生命是什么样的？

youdao

But when the veil of romance starts to lift, what’s life really like off the dance floor?

但是，当慢慢揭掉浪漫的面纱时，回归平淡的生活真正是什么样的呢？

youdao

Around 1901, Mrs. Gardner moved into the 4th floor of the museum, where she would live for the rest of her life.

VOA: special.2009.01.11

But even if you do survive-- let's the ground floor-- even if you do survive, you would lead a life of constant frustration-- refusing to accept something that is there whether you like it or not.

即使你幸存下来-,比如你在一楼-,就算你真得幸存下来，你的生活将是处处受挫-,拒绝接受现实事物,不论你喜欢与否。

哈佛公开课 - 幸福课课程节选

He says current knowledge of life on the ocean floor is especially limited.

VOA: special.2009.01.13

At the ground floor of the IPO life cycle, these are quality early-stage portfolio companies of our investment banking firm First Line Capital.

FORBES: Opening Up the IPO Process For Small Fry

The city's sewage system was so overwhelmed that human waste, sent straight into the water around New York, decayed on the river floor and choked out most life.

WSJ: You Can't Get Seasick on a Park Bench

After a few rounds of cards by candlelight, it became clear that life on the 10th floor with a dog was about to get less fun.

WSJ: Sandy: Darkness Has New Yorkers on the Move