砂岩和页岩单元是同时的.The sandstone and shale units are of the same age.恢复与治疗是同时的.Recovery was synchronous with therapy.同时的意思是在同一瞬间.Simultaneous means " at the same instant. "...
The boys are in the yard, brassing up the up the horses for the show.小伙子们在院子里给马套皮带,挂铜饰,准备参加展览会.The captain said, " The young soldiers are all brassing off again; they are never satisfied. "上尉说: “ 年轻的士兵又在发牢骚了, 他们永远不会满足的. ...