Unit8
1. lect 选择，收集
collect
collector
collection
collective
select
selected
selection
elect
election
eligible
intellect
intellectual
intelligence
neglect
negligible
negligence
2. long 长
long
long for sth
length
lengthy
lengthen
belong
belong to sth
belongings
prolong
3. sta 停留，站立
stay
station
stationary
stable
unstable
stability
stage
stagnant
circumstance
under any circumstances
constant
constantly
constancy
distant
distantly
distance
estate
real estate
instant
instantly
instance
for instance
obstacle
substance
substantial
withstand
instead
instead of
steady
4. tend，tent 伸展
tend
tend to do sth
tendency
trend
tension
attend
attention
attendant
attendance
extend
extend (A) to B
extension
extensive
extent
to some extent
intend
intend to do
intended
intention
intentional
unintentional
intense
intensive
pretend
pretend to do sth
pretentious
unpretentious
5. 落单词
fall
fall apart
fallen
deal
make a deal
deal with sth
big deal
a great deal of sth
close the deal
humble
ease
with ease
unease
uneasy
