translucent

transmit

transmitter

transparent

trap

tread on

treason

tremendous

trench

trend

tribal

trickle

trigger

tropical

trove

tub

tube

tumble

tundra

tunnel

turbulent

turnpike

turquoise

twine

twist

typify

tyrannical

ultrasonic

unadorned

unbridgeable

uncharted

undergo

underlying

undertake

undoubtedly

unexplored

unfertilized

unimaginable

uninhabited

unpalatable

unprecedented

unpredictable

unpromising

unravel

unrestricted

unsubstantiated

untouched

upgrade托福听力词汇

upland

urban

urbanism

urbanite

urbanization

urbanize

usher

utilization

utilize

utopian

utterly

vacancy

vanish

variable

variance

varnish

vault

vegetation