dam back的用法和樣例：
例句
- I could sense my mother's pain and the tension of holding back the strong emotions.
我能感覺到媽媽的痛苦以及她剋制這種強烈感情的壓抑心理。 - Zack said that she was holding back and that she needs to watch her diction but that she is one of the best voices on the show this season.
扎克說她表現有點壓抑，還需要注意發音，但是她是這一季中聲音條件最好的選手之一。 - Jim was able to hold back his anger.
吉姆抑制住了憤怒。 - The dam held back the flooding river.
大壩抑制了泛濫的洪水。
