flattened

'flætnd

v make flat or flatter
v become flat or flatter
v lower the pitch of (musical notes)
s having been flattened

a. [医]（水）平扁的, 弄平的
v. 变平, 使（某物）变平( flatten的过去式和过去分词 ); 彻底打败某人, 使丢脸; 停止增长（或上升）; （把身体或身体部位）紧贴…

15,135

BNC 频率

14,984

使用频率

flattened由词根flat（平坦的）和后缀-ened（使...化）组成，表示“使变平”的动作。

例句

1. The box was flattened for easy storage.

这个盒子被压平以便于存放。

2. She flattened the dough before rolling it out.

她在擀面之前把面团压平了。

3. The tire was flattened after hitting a sharp object.

轮胎在撞到尖锐物体后被刺破了。