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
What is your favorite sport?
你最喜欢的运动是什么？
The mills of God grind slowly but sure.
天网恢恢，疏而不漏。
After having been instructed to drive out of town, I began to acquire confidence.
在接到把车开出城的指令后，我开始有了信心。