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
I took him to Philip's office yesterday for a checkup.
我昨天带他到Philip的办公室去做检查。
All rivers run into the sea.
百川入海。
The farmer cut off part of his foot to make sure he could not run away again.
农场主把他的一只脚砍掉了一块，以确保他不能再逃跑。