to anneal
01
退火, 淬火
to heat and then slowly cool a material to make it stronger or less brittle
Transitive: to anneal a material
例子
The blacksmith annealed the blade for strength.
铁匠为了强度退火了刀刃。
Glass is annealed to relieve stress.
玻璃经过退火以消除应力。



























