keen

adj. /kiːn/ B2

热心的；渴望的；敏锐的

Very interested in or enthusiastic about something.

仙境例句

“Dinah is very keen on catching mice,” said Alice, and the Mouse swam off.

“黛娜可爱抓老鼠了。”爱丽丝说，老鼠一听就游走了。