Specific gravity flask
[医] 比重瓶
🧩 词语组成解析
flask
[flæsk]
n. 瓶，长颈瓶;[化]烧瓶;火药筒;[机]沙箱;
🗣️ 情景例句
Are there any parties going on tonight?
今晚有聚会吗？
You're the boss.
听你的。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。