倘若他真是个出过风头的棒球手, 那棒球也就不成其为棒球了.But if he had starred at baseball , it was in some league I did not know.也就是说,已经不服用兴奋剂的棒球手,打出的本垒打仍可能和兴奋剂有关.Which means a clean ballplayer can still hit a dirty home run.他既不能投球,又不能接球,不能算是个出色的棒...
了解三氯 乙醛 的毒性和致突变作用.Acute toxicity test , mutation test and single - cell gel electrophoresis ( SCGE ) were used.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Chloral is a colorless, volatile liquid with a very penetrating odor and bo...
Sam understands tacitly . He hoists his cup saying.山姆心领神会,举起酒杯.Long - term supply of imports, domestic second - hand car hoists.公司 长期 供应各种进口, 国产 二手 汽车吊.Patterson hoists Becky onto the table.Patterson抱 起Becky放到桌子上....