learn
加入词篮learned
learner
learning
learning curve
learnt
learn from
attentive
attentively
attentiveness
attention
draw attention to
draw one's attention to
pay attention to
keep an eye on
keep an eye out for
look out
look out for
perceive
mind
never mind
change one's mind
concentrate
concentration
concentrate on
absorbed
absorption
absent-minded
absently
inattentive
woolgather
diligent
diligence
diligently
industrious
industriously
strive
struggle
have a try
text
textbook
coursebook
book
bookcase
booklet
pamphlet
tract
brochure
bookmark
bookworm
read a book
binding
page
bookstore
bookstall
bookseller
bookshop
bind
bookbinder
stapler
staple
binder
stationary
stationer
stationer's
stationery
binder
clipboard
ring binder
folder
portfolio
schoolbag
eraser
erase
erasure
scrape
rubber
rub
correction fluid
pen
nib
ball-point pen
ballpoint
fountain pen
pen friend
ink
inkwell
ink-jet printer
inky
pen-and-ink
pencil
pencil case
pencil sharpener
pencil-sharpener
pencil-box
pencil-case
highlighter
marker
mark
marked
1
learn
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