vt.劃線于；強調(diào)；提供伴奏樂

n.下劃線；影片伴奏樂

Let me underscore two of many reasons for this concern. 值得擔(dān)憂的原因很多，讓我著重說明其中兩點。

Please underscore the word three times for emphasis. 為了強調(diào)起見，請在該詞下面劃三條線。

Let me underscore that you should focus on an important problem. 讓我強調(diào)一下：你必須關(guān)注于某一重要問題。

These results underscore the importance of context in studies of social capital. 這些結(jié)果強調(diào)了社會資本研究中環(huán)境的重要性。

They must begin with a letter or the underscore character 開始部分必須為一個字母或是下劃線