| 单词 | knock sth↔down (from sth) (to sth) |
| 释义 | ● ˌknock sth↔ˈdown (from sth ) (to sth )(informal ) to reduce the price of sth 减价；降价◆ He knocked down the price from $80 to $50 . 他把价格从 80 美元降到了 50 美元。 ➡ see also knock-downSee also knock |
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