词汇	Single Key cryptosystem
释义	Single Key cryptosystem 单钥密码体制
随便看	not late not later than not Later than not laughing matters not launch an MX missile not lax not lax; not casual; careful; conscientious not learn to live not least not least of all not leave a trace not leave somebody’s side not leavlng the village Not legible or decipherable not less Not like Ecce Homo, crown of thorns and cross not like her to cry not less than Not less than five girls came to the party Not let someone go Scot-free not let the grass grow under her feet not let the grass grow under his feet not let the grass grow under my feet not let the grass grow under one's feet not let the grass grow under our feet