词典
例句
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简体中文
learn off
learn on the spot how cotton grow
learn one's lesson
learn sth by heart
learn sth by memory
learn sth from the ground up
learn sth the hard way
learn sth. the hard way
learn the ropes
参考
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DE↔EN Langenscheidt
DE↔EN PONS
DE↔EN Beolingus
DE↔EN dict.cc
learn sth by memory
➞
learn sth by memory
Definitions
[1]
n.
背诵, 熟记
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learn sth by memory