touch tough tourism tournament towel
tower track tractor trade tradition
traditional traffic training tram transform
效率不高英文怎么说，translate translation translator transparent transport
trap treasure treat treatment tremble
trend trial triangle trick troop
troublesome trousers trunk trust truth
tube tune turkey trigger tuition
ineffective 工作效率低 inefficiency 他由于工作效率低而受到严厉批评。He received serious critical comments on his inefficiency in the work 参考资料：【简明汉英词典】
tutor twin twist type typical
typhoon typist tyre(tire) umbrella unbearable
undergo underground underline undertake underwear
Long hours learning without break means tiredness and low efficiency.
undergo unemployment unfair unfit unfortunate
uniform union unique unit unite unify
universal universe university unlike unrest
效率低下的英文是 inefficiency 效率低下的意思是：1.浪费时间;2.做错事情的方向,以这两个标准来衡量,要提高效率,就是节约时间,又将事情做对做好。效率低的意思是指一个人工作或干活的速度慢，或者成果不明显。聊天效率。
unusual unwilling update upper tug
upset upwards urban urge urgent
vacation vacant vague variety validate
valid valley valuable value voluntary
low efficiency或incapabale of,相信哦,我从事英语工作的哦!
various vast vehicle version vertical
