Sand filtration
[医] 沙滤
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
n. 过滤\\n[化] 过滤
🗣️ 情景例句
And to Robbie and the Stewart family
并且感谢Robbie和Stewart全家
Swimming promotes health.
游泳有益健康。
What do you want to do next fall?
今年秋季你打算干什么？