The Upper Paleolithic , in contrast , ushered in a suite of sophisticated practices.旧石器时代晚期就不一样了, 成套的复杂行为出现了.The stone balls were tools of hunting in Paleolithic times.石球是旧石器时代原始人用来狩猎的工具.Paleolithic man could only make t...
Obviously, they know the difference between fluorite and ED.显然, 这些生产商们知道ED与萤石之间的差别.The seeming disorder of calcite highlights the geometric precision of fluorite.矿物质图片画廊.外观紊乱的方解石突出几何精确度的萤石.The cerium oxide preferably has...
Lack of food and water provided much of the impulsion for their speed.缺少食物和水促使他们加快了速度。Under the impulsion of its screw the " Resolute'sailed down the Thames.决心号在暗轮的推动下向泰 晤 士河驶去.I love the regretless youth but not th...
Never keep company with dishonest persons.不要与不诚实的人打交道.She stayed at home to keep company with her younger sister.她留在家里陪伴她妹妹.Who keep company with the wolf will learn to howl.与狼结交,须学狼嗥....