Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment.坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去.Master Au further expands the realistic renditions ...
This was enough to launch their careers into the stratosphere.这足以让他们的事业平步青云了。Most of the chlorofluoromethanes reside in the lower stratosphere.大多数氯氟甲烷存留在平流层下部.Ozone is formed in the stratosphere and mesosphere by photoch...
Bobcats roam wild in the mountains.山猫自由出没于山野。The sheep are allowed to roam freely on this land.绵羊可以在这片地上自由走动。Farmers were encouraged to keep their livestock in pens rather than letting them roam freely.鼓励农民们把家畜关进栏圈，而不是让它...
Deposits of plaque build up between the tooth and the gum.牙齿和牙龈之间会滋生牙斑。I was in agony with tooth ache.我牙疼极了.Objective : To study the stress tooth preparation with two kinds of porcelains.〔摘要〕目的: 研究瓷贴面复合体应力分布规律.The dentis...