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
OK, let me think.
好， 让我想想。
I don't buy it.
我才不信邪。
I had a seat beside the window.
我的座位在窗口旁