单词	active reaction
释义	active reaction 活性反应
随便看	learnt our lessons Learn to Use a Computer learn to use the typewriter learn to walk learn to walk before you run Learn to write an e-mail learn-train connection learnt their lesson learnt their lessons learnt the ropes learnt your lesson learnt your lessons learn up learn-up system learn vectorquantizationneural network learn very quickly learn well learn when do an experiment learn while teaching learn wisdom learn wisdom by the follies of others Learn wisdom by the follies of others learn wisdom from the follies of others learn with an open mind learn word and making phrase