- LiuMingismychemistry‘teacher.Heisanordinary-lookinglittlemanwiththickglasses,buthehasastrangewayofmakinghisclasseslivelyandinteresting.Irememberedhisfirstlesson.Heputthreebottlesonthedesk.Onewasfilledwithkerosene,onewithcastoroil,andonewithvinegar.A...
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