及物动词

不及物动词

1. (使)变平;把…弄平
If you flatten something or if it flattens, it becomes flat or flatter.

2. 摧毁，弄倒，夷平(建筑、城镇或植物)
To flatten something such as a building, town, or plant means to destroy it by knocking it down or crushing it.

3. 使紧贴;使贴着(以免挡路或被看见)
If you flatten yourself against something, you press yourself flat against it, for example to avoid getting in the way or being seen.

4. 揍倒;打倒
If you flatten someone, you make them fall over by hitting them violently.

5. (在争斗、竞赛或辩论中)击败，打败，战胜
If you flatten someone in a fight, contest, or argument, you defeat them completely.

1. lower the pitch of (musical notes)

Synonym: drop

2. become flat or flatter

e.g. The landscape flattened

Synonym: flatten out

3. make flat or flatter

e.g. flatten a road
flatten your stomach with these exercises