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
Are you traveling alone or whth a friend?
你是一个人旅行还是结伴旅游？
What do you think of the proposal?
你的看法如何？
As a result, humans have learned to respect feline independence.
结果是人们已经学会尊重猫的独立性。