We searched until we knew it would be pointless to continue.我们搜索又搜索，直到觉得继续下去也枉然时才罢手。Who wouldn't have preferred this with life so pointless, bitter and hopeless?谁不喜欢这样呢,生活既是那么无聊, 痛苦,无望!It is pointless to have a car ...
氧化铈较氧化镧更容易与钒反应,因而具有更强的抗钒能力.Cerium showed more effective than lanthanum for vanadium tolerance of FCC catalysts.结果表明,稀土氧化镧掺杂钼合金由于其细小的氧化镧颗粒和细小的晶粒的作用而具有较高的屈服强度.The rare earth lanthanum oxide doped molybdenum alloys containi...
无端的负罪感压得她喘不过气来。The weight of irrational guilt pressed on her.无端的侵犯行为an act of unprovoked aggression你上周的报告是不公平的。它是基于毫无根据且完全无端的指控。Your report last week was unfair. It was based upon wholly unfounded and totally unjustified...