flatten

中文： 压平、压扁、夷平

1. To make something flat or flatter. (transitive) · As there was a lot of damage, we chose the heavy roller to flatten the pitch.· Mary would flatten the dough before rolling it into pretzels.
2. To press one's body tightly against a surface, such as a wall or floor, especially in order to avoid being seen or harmed.
3. To knock down or lay low. (transitive) · The prize fighter quickly flattened his challenger.
4. To become flat or flatter; to plateau. (intransitive) · Prices have flattened out.
5. To be knocked down or laid low. (intransitive)
6. To lower by a semitone.
7. To make vapid or insipid; to render stale.
8. To reduce (a data structure) to one that has fewer dimensions, e.g. a 2×2 array into a list of four elements. (transitive)

He/she/it flattens · 过去式 flattened · 过去分词 flattened · -ing形式 flattening