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
But I just sold it and retired.
我前不久把它卖了 然后退休。
Congratulations on your having passed the test.
我恭喜你通过了考试。
You're a disgrace.
你真丢人！