Please put your cigarette ends into the receptacle provided.请将烟蒂放入提供的盛器里.Nuclear physics has provided extensive experimental support for the mass - energy equivalence.原子核物理学已经为质能等效性提供了广泛的实验证据.The background to the curren...
A long , loose outer garment, as that worn by artists and craftspeople ; a smock.(英国)脏活时穿在普通衣服外的一种宽松的保护性工作服....highly skilled craftspeople.技艺高超的手艺人Inevitably, under such a system, there will be craftspeople working for v...