boil down

短语

熬浓, 压缩 [机] 煮浓

词形变化

boiled down boiling down boils down 三单 boils down boiling down 现在分词 boiled down 过去式 boiled down 过去分词

释义与例句

v.
  1. 1.

    To reduce in volume by boiling.

    不及物 及物

    He boiled the soup down so it wouldn't be so weak.

  2. 2.

    To become reduced (to the most central elements or ingredients: to the essence, core, or implication for action).

    不及物

    So what this boils down to is that you still owe me that fifty bucks.

  3. 3.

    To reduce (to the most central elements or ingredients: to the essence, core, or implication for action).

    及物

    My dissertation is 342 pages long, and I'm required to boil it down to a one-page abstract?!

词汇关系

动词

同义词 4

concentrate reduce come down decoct

上位词 7

turn become fall decrease diminish lessen minify

词源

As an allusion to the technique of reduction or decreasing liquid content of food by boiling much of its water off.

来源：wiktionary