英语单词
低频词
[ 低频词 ]
- understate
- underside
- underscore
- underrate
- underpin
- underlie
- undergrowth
- undergraduate
- underdog
- underdeveloped
- undercut
- undercurrent
- undercover
- underclass
- undecided
- undemocratic
- undeniable
- uncontrollable
- unconventional
- unconvincing
- uncommon
- uncomplicated
- uncompromising
- unbroken
- uncanny
- unchallenged
- unchecked
- unbearable
- unbeatable
- unborn
- unarmed
- unashamed
- unattractive
- unauthorized
- unavailable
- unavoidable
- unbalanced
- unaffected
- unambiguous
- unanimity
- unanswered
- ultraviolet
- ultrasound
- um
- ugh
- ulcer
- ultimatum
- typify
- typing
- tyranny
- tyrant
- ubiquitous
- tycoon
- typewriter
- typhoon
- twitch
- twirl
- twinkle
- twilight
- twig