气缸中的蒸汽膨胀并推动活塞向外运动.Steam in a cylinder expands to push a piston outward.当排气冲程开始时, 气缸被向上运动着的活塞刮掠.When the exhaust stroke starts, the cylinder is swept out by the upmoving piston.在发动机气缸里发生的动作,可以分为四个过程或冲程.The actions taking ...
雀麦草到处可以生长,无论是沙漠还是山顶.Cheat grass can grow anywhere from deserts to mountain tops.雀麦不是一种非常常见的杂草,它主要分布在谷类作物中.Chess is not a very common weed and is mainly found in cereal crops.夏季是混播草地中无芒雀麦种群衰退的关键时期.Summer was the pivotal p...
澳大利亚土著土地权问题the issue of Aboriginal land rights协调矿业权与土地权 、 环境权益的关系.Coordinating mining right and land ownership, environment rights and interests relations....
阿瑟·默里教狐步舞、探戈和华尔兹。Arthur Murray taught the foxtrot, the tango and the waltz.狐步舞是一种优美的舞蹈.The foxtrot is a beautiful dance.华尔兹和狐步舞是她跳得最好的舞步.The waltz and fox trot were the dances she knew....