Recirculation system sand
[机] 循环砂
🧩 词语组成解析
[计] 信息再循环\\n[医] 再循环, 再流转
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
and keep the cultural programs for our kids.
以便为我们的孩子保存文化活动。
After my core courses are finished, I'll be doing independent study.
在完成基础课程之后，我将作独立的研究。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。