sustainable
symbolic
symbolize
synonym
synthesize
table
tapes
target
task
team
technical
technique
techniques
technology
temporary
tension
term
termination
test
text
theme
theory
thereby
thesis
timeline
tone
topic
trace
traditional
trait
transfer
transformation
transition
translate
transmission
transport
trend
trigger
typically
ultimately
undergo
underlying
undertaken
unified
uniform
unique
use.
utilise
utility
utilize
valid
validity
variables
variation
vary
vehicle
verify
version
via
view
viewpoint
violation
virtually
visible
vision
Visit
visual
voice
volume
voluntary
welfare
whereas
whereby
widespread
，四六级阅读核心词汇