1、underneath

在…下面；在…底下

The device exploded underneath a van.

該裝置在一輛貨車底下發(fā)生了爆炸。

using dogs to locate people trapped underneath collapsed buildings.

利用狗來尋找被困在倒塌的樓房下面的人

在下表面；在底面

Check the actual construction of the chair by looking underneath.

看看椅子的下面，檢查一下它的實際構造。

The sand martin is a brown bird with white underneath.

崖沙燕是一種褐羽白腹的鳥。

在內心深處；心底里

He was as violent as Nick underneath.

在內心深處，他和尼克一樣暴躁不安。

Underneath, Sofia was deeply committed to her husband.

索菲婭從內心里對丈夫忠貞不貳。

2、protect

保護；防護

So, what can women do to protect themselves from heart disease?

那么，女性怎樣做才能使自己不得心臟病呢？

A long thin wool coat and a purple headscarf protected her against the wind.

一件薄薄的羊毛長外套和一條紫色的頭巾為她擋了風。

（保險單）為…提供保險

Many manufacturers have policies to protect themselves against blackmailers.

許多廠家都購買了保險，以防遭到敲詐。