Harden

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GRE TOEFL 考研

目录

[编辑] 解释

[编辑] GRE 红宝书

  • v. 变硬, 变坚强
  • [英] v. 变硬, 变坚强 ( cause sth to become hard)
  • [类] ripen : maturity / harden : solidity ( 使成熟结果是成熟 / 硬化结果是坚硬) 反义词: macerate ( 浸软)
  • [例] The varnish takes a few minutes to harden.

[编辑] Webster Collegiate

verb (hardened; hardening)

  • Date: 13th century
  • transitive verb
    • 1. to make hard or harder
    • 2. to confirm in disposition, feelings, or action; especially to make callous <hardened his heart>
    • 3.
      • a. inure, toughen <harden troops>
      • b. to inure to unfavorable environmental conditions (as cold) — often used with off<harden off seedlings before transplanting>
    • 4. to protect from blast, heat, or radiation (as by a thick barrier or placement underground)
  • intransitive verb
    • 1. to become hard or harder
    • 2.
      • a. to become firm, stable, or settled
      • b. to assume an appearance of harshness or severity <her face hardened at the thought>
    • 3. to become gradually acclimatized to unfavorable conditions — often used with off<plants hardened off before the first frost>


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