百度
谷歌
图片
维基
百科
learn sth. the hard way
learn sth．by heart
learn the ropes
learn up
learnable
learned
learned behavior
learned goal
learned man
learned organization
learned profession
learned report
learned society
learned word
learner
learner driver
learner-driver
learnership
learnery
learning
learning activity package
learning algorithm
learning and adapting capability
learning and adaptive system
learning and memory
learning automaton
learning block
learning by analogy
learning by appointment system
learning by chance
learn sth．by heart
learn the ropes
learn up
learnable
learned
learned behavior
learned goal
learned man
learned organization
learned profession
learned report
learned society
learned word
learner
learner driver
learner-driver
learnership
learnery
learning
learning activity package
learning algorithm
learning and adapting capability
learning and adaptive system
learning and memory
learning automaton
learning block
learning by analogy
learning by appointment system
learning by chance
learn sth. the hard way
v.
艰难地学到某事
艰难地学到某事