step up   (TTS發音)

step up

1 走近; 登上

2 逐漸增加

The ~ production.

他們增加生產

3 升高 （電流） 的電壓

4 提升; 獲得提升



1. increase；accelerate增加；促進Trade has been stepping up recently，since the weather turned warmer. 因天氣轉暖，最近貿易不斷增加。

    Radio and television have stepped up the tempo of the news. 收音機和電視機加快了新聞的傳送速度。

2. walk up；go or come near向上走；走近

    John stepped up onto the plat form and began to speak. 約翰走上講台開始發言。

3. be promoted晉升；提升

    He has stepped up into the management of the firm. 他升入了公司的管理部門。

    He soom stepped up to the chief executive's chair. 不久他就爬上了總經理的位子。