Tempering sand
[机] 调质砂
🧩 词语组成解析
[医] 回火, 淬硬
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
I am looking forward to seeing you again.
我期待着能再次见到你。
He is a gentle horse that never cast his rider.
驯良的马绝不会把骑手甩倒。
I mean you eat too much food, but you don't take enough exercise, said the doctor.
“我的意思是你吃得太多，但运动不够，”医生说。