The incredible story of how Pluto has been propelled from an unremarkable ball of ice on the edge of the solar system to a world of unimaginable complexity - where some form of alien life might exist.　　Featuring first-hand accounts of the incredible discoveries made by New Horizons from many of the scientists involved in the mission.虽(suī )说花了100积(jī )分，必定能够学会，但这(zhè )四个人，只是(shì )处于二十九人当中(📃)，中(💭)等偏下的资(zī )质，有50%的中级技能，已经算得上相(xiàng )当不错了。