Gravel filter
[医] 卵石滤池
🧩 词语组成解析
gravel
['ɡrævl]
n. 沙砾，碎石;砾石;[医]结石;
vt. 以砾石铺路;使困惑;使（船）搁浅在沙滩上;
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
Perfect! You picked the right place.
棒透了，你选对了地方。
How long have they been married?
他们结婚多长时间了？
Everybody around me was smoking and I felt extremely uncomfortable.
我周围的每个人都在吸烟，我感到非常不自在。