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
What's going on?
怎么样了？
Kristy had believed her brother was right from the beginning.
克里斯蒂一开始便相信她哥哥是正确的。
What's that?
那是什么？