ad.

1. 在下；向下
   As we flew over the mountains we could see that there were snowy peaks beneath.

   我们飞过群山时看到了底下被雪覆盖着的山巅。

2. （地位等）较低；较劣

prep.

1. 在……之下；向……下面
   The sun is now beneath the horizon.

   太阳此刻落到地平线下了。

2. （地位等）低于；劣于
   He is beneath his brother intellectually.

   他在智力方面不如他兄弟。

3. 对……不适合（或不值得）
   He considered that job beneath him.

   他认为做那个工作有失他的身份。

4. 在……影响下

prep.

adv.

1. extending or directly underneath.
2. [as prep.] of lower status or worth than:
   he is rather beneath her.