v. 减少；降低；将…归纳；折合（reduce的第三人称单数形式）

v cut down on; make a reduction in

v make less complex

v bring to humbler or weaker state or condition

v simplify the form of a mathematical equation of expression by substituting one term for another

v lower in grade or rank or force somebody into an undignified situation

v be the essential element

v reduce in size; reduce physically

v lessen and make more modest

v make smaller

v to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons

v narrow or limit

v put down by force or intimidation

v undergo meiosis

v reposition (a broken bone after surgery) back to its normal site

v destress and thus weaken a sound when pronouncing it

v reduce in scope while retaining essential elements

v be cooked until very little liquid is left

v cook until very little liquid is left

v lessen the strength or flavor of a solution or mixture

v take off weight