Filter flask
[医] 滤瓶
🧩 词语组成解析
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;
flask
[flæsk]
n. 瓶，长颈瓶;[化]烧瓶;火药筒;[机]沙箱;
🗣️ 情景例句
I'll have to stand up and let the elderly lady have my seat.
我得起来把座位让给这个老婆婆。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
They must keep their hands behind their backs.
他们得一直将手放在背后。