1.The animal would have been a primitive sauropod -- a long-necked, four-legged grazer similar to the better known brachiosaurus.
这只恐龙很可能是原始的蜥脚类亚目动物--长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。
2.Mr. Grazer added: "To resist that, you have to make very hard choices. Most people are too afraid. "
“如果想对抗，你就不得不做出一些很艰难的选择。多数人太害怕了”格雷泽补充说。
3.with the urchins gone , it was up to another grazer , the colourful parrotfish , to keep the algae under control
没有了海胆，就得靠另一种食草动物？？色彩斑斓的鹦嘴鱼？？来控制藻类。