at fingertips 同义词

1 精通

perfect proficient adept learned versed mastership master good at good in have a good command of have a great command of know wayround make oneself familiar with

相关词

counterbore cosmeticize coster costean cortices cosmetics corticotrophin corticate cosine cosmopolis couche cosmetician costar cosmologist cottonade coruscate cosmos cosher corticotropin corynebacteria counselable coryphaeus cosmetology coryphaei cosey cosmogony coulombmeter cortisone cosmonaut cosmid