Pocket filter
[机] 过滤袋
🧩 词语组成解析
pocket
['pɑkɪt]
n. 口袋，钱袋;金钱，财富;容器;凹处;
vt. 隐藏;放进口袋;私吞，盗用;忍受;
adj. 放在口袋里的;小的，迷你的;金钱上的;
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
Don't mince words.
别吞吞吐吐的。
He's been everywhere.
他到处都去过了。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。