willingly

adv. /ˈwɪl.ɪŋ.li/ B2

乐意地；自愿地

Happily and readily without being forced.

仙境例句

Nine inches high was very small, but Alice made herself that size quite willingly.

九英寸高实在很小，可爱丽丝还是心甘情愿地把自己变成了那么大。