Tempering
[医] 回火, 淬硬
✅ 同义词
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
I'll call the roll before class.
课前我要点名。
In the contrary school, the duck is supreme.
与滑翔鸟相对的另一类鸟中，数野鸭本领最高。