Hemocelom
[医] 围心腔(胚胎), 血腔(昆虫)
🗣️ 情景例句
David Ogvy is the first genius of modern advertising.
大卫.奥格维是现代广告的第一天才。
It's unlikely he's here.
看样子他不象在这儿。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，