1. 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。
2. 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。
3. 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. 目前，研究者们发表首次的随机试验结果，他们高度称赞一种无副作用、不需吃药、而且完全免费的胃口控制剂。
4. 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。
5. While the battle raged, the bullets flew thick as hail. 战斗激烈进行时， 枪弹密如雨点。
