We hail as masterpieces the cave paintings in southern France and elsewhere, dating back some 20,000 years.

我们把法国南部和其他地方的洞穴壁画赞誉为杰作，它们的历史可以追溯到大概2万年前。

Now, researchers have presented the first randomized trial of what they hail as a side-effect-free, prescription-free and simply free appetite control agent.

最近，研究人员推出第一批随机试验品，他们称这为无副作用，非处方，仅仅影响食欲的控制剂。

As they smash up neat Georgian barracks, the Russians curse their own poverty and hail their victory at the same time.

当他们将整洁的格军兵营夷为平地，俄罗斯人在诅咒自己贫困的同时，却又在为胜利欢呼。