loose-limbed
US /ˌluːsˈlɪmd/
UK /ˌluːsˈlɪmd/

1.
肢体舒展的, 四肢灵活的
having long, loose, and graceful limbs, often suggesting agility or flexibility
:
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The dancer moved with a loose-limbed grace across the stage.
舞者以肢体舒展的优雅姿态穿过舞台。
•
He was a tall, loose-limbed young man, always ready for a game of basketball.
他是一个高大、肢体舒展的年轻人,总是准备好打篮球。