Carbon sand
[机] 碳质砂
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
Those who eat best and drink best often do worst.
吃得好喝得好的人往往干得最糟。
But that was not all.
它一再重复这些圆圈。