| 单词 | upside down |
| 释义 | upside down —upside-down, adj. —upside-downness, n. 1. with the upper part undermost. 2. in or into complete disorder; topsy-turvy: The burglars turned the house upside down. [1300-50; re-formation (see UPSIDE) of ME upsedoun, earlier up so doun (see UP, SO1, DOWN1; sense of so obscure)] |
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