supine -------- 仰卧的（形容词）

英文释义
(adjective) Lying on the back with the legs extended and the face pointing upward.

例句
Lying supine on a bench, my older brother was exhausted by his strenuous basketball game with his son.
在陪他儿子打完激烈的篮球比赛之后，我哥哥躺在长凳上，筋疲力尽。