late 14c., "to prostrate oneself," also "to fall flat," from flat (adj.) + -en (1). Transitive meaning "to make flat" is 1620s. Related: Flattened; flattening.
权威例句
1. In the squash court his chief aim is to flatten me.
在壁球场上他的主要目标就是击败我。
2. The cookies will flatten slightly while cooking.
曲奇烤时会略微变平。
3. Flatten the dough with a press of the hand.
用手把生面团压平.
4. If it lumpy, you can use the flatten brush to smooth along the folds.
如果它出现大的起伏, 你可以用flatten笔刷沿着褶皱去光滑下.
5. We now think prices will flatten out towards the end of this year.