雅思核心词汇21天Unit15-Unit21.doc

雅思核心词汇21天Unit15-Unit21

Unit15
precaution
precede
precedent
precise
prefix
preliminary
prerequisite
presence
prestige
prevail
primitive
principal
proceed
productivity
proficiency
profile
profound
prolong
prominent
prompt
propel
prophet
proposal
provision
proximity
publication
publicity
punctual
purchase
qualitative
quality
query
quiz
radiate
radius
rage
ragged
raid
rash
rational
Unit16
reap
rear
reassure
recede
recession
recipe
recital
recollect
recover
recreation
rectify
reel
reference
refine
refute
regime
region
reimbursement
reluctance
remainder
remedy
render
reproach
reputable
reservoir
resignation
respondent
restrain
resume
retain
retreat
retrieve
reveal
revise
Unit17
rigorous
rim
rival
rock-bottom
roster
rotate
routine
rumour
rust
sacred
sane
sanitary
scales
scan
scatter
scenario
scent
scheme
scholarship
scold
scope
scrutinise
sediment
seep
segment
seminar
sequence
session
severe
shallow
shed
shiver
shrink
signpost
simultaneously
sin
sincere
Unit18
slender
slippery
smash
snatch
soak
soar
sophisticated
spacious
span
spawn
spectrum
sphere
spill
split
spouse
spray
stagnant
state
stationary
stationery
steep
steer
stem
stimulate
stir
stride
strip
strive
stroke
subordinate
subsidy
substance
substantial
subtle
Unit19
suffix
summit
superb
supreme
surpass
surplus
susceptible
sustain
swarm
sway
swell
swift
syllabus
symmetry
symposium
symptom
synonym
synthetic
systematic
tabloid
taboo
tackle
tally
tame
tangible
taxation
tedious
tenant
tension
terrace
tertiary
thrift
thrive
tide
timber
tissue
Unit20
toil
roll
toss
trail
trait
transaction
treatise
tremble
tremendous
trend
trial
tribe
trifle
trim
trivial
trunk
turbulent
turnout
turnover
twinkle
ultimate
unanimous
undergo
unprecedented
upset
urgent
utensil
utmost
utterly
vacancy
vacant
vacuum
vague
vain
valid
Unit21
venture
venue
verge
verify
versatile
vertebrate
vertical
veto
viable
vigorous
violate
virtual
virtue
vocational
vogue
wage
wander
ward
weave
wholesale
wholesome
wicked
width
windfall
wit
workaholic
wrap
wreck
yearn
yield
zeal
zest