He's a real hustler.他是个真正有才干的人.To him the big trunk hustler was a subject for private contempt.他私下里很瞧不起这个替人搬箱子的大个子家伙.Stay away from Jason. He's just a two - bit hustler.别接近贾森, 他只是个不高明(注:本义为价值两角五分)的骗子....
通常的实验室光源选用汞弧灯.A common laboratory source of light is provided by a mercury arc.不很精确的射电干涉仪观测表明,这个源的角径约为1.5弧秒.Comparatively rudimentary interferometer observations suggested that this source is about 1.5 across.单个弧是不能求长的.T...