词汇	law of lenses
释义	law of lenses 透镜定律
随便看	be hardened to be hardened to… be hard hit be hard of hearing be hard on be hard on sb be hard on somebody be hard on somebody/something be hard pressed behardpressed for be hard pressed for be hard pressed for money be hard pressed for time be hard pressed/pushed to do something be hard pressed to be hard pressed to it be hard pushed for money be hard pushed for time be hard pushed to be hard pushed to it be hard put be hard put to be hard put to it be hard put to it to be hard put to itto do something