我这也是根据艾宾浩斯记忆曲线 哈，这是科学滴~嘿嘿·
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yawn
yield
zeal
depart
an x-ray photograph
wage
waggon
cabinet
privacy
wander 3个意思
wonder
trail
ward
fever
opposition
threaten
thread
seriously
watch out
watch out for
material
moist
out of sight
sight
cosmetic
abundance
tremble
capital
captain
reduce
inflation
defend
weary
wound
credible