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harden是什么意思

详细释义

0 to become or make hard -- （使）變硬
- The mixture hardens as it cools. 混合物冷卻時變硬了。
- It is thought that high cholesterol levels in the blood can harden the arteries (= make them thicker and stiffer, causing disease). 據信血液中的膽固醇含量高會導致動脈硬化。
1 to become more severe, determined, or unpleasant -- （使）變嚴厲，（使）變堅強，（使）變冷酷
- Living in the desert hardened the recruits (= made them more strong and determined). 沙漠的艱苦生活把新兵鍛鍊得更加堅強。
- As the war progressed, attitudes on both sides hardened (= became more severe and determined). 隨著戰爭持續，雙方的態度都變得更加強硬。

An ultraviolet laser "paints" the object as a series of horizontal layers, exposing the liquid in the tank and hardening it.
The real social problem becomes identified then not as the criminal simpliciter but as the ' hardened ' or ' real ' criminal.
All plants were hardened off in direct sunlight 24 h prior to use.
Green oak is extremely durable and hardens over time while the cedar is soft with a surface which can be scored with a finger nail.
The hardening relation identifies the subprocesses of a process that may participate in a computation step.
Robots could be hardened to withstand these conditions and could even be considered to be disposable if they became too contaminated.
As theological divides hardened in the second half of the sixteenth century, it became even more difficult to occupy a middle ground between the confessions.
Low-temperature plastic deformation of the veins, without significant recovery, will also result in work hardening leading ultimately to fracture.