1. Many scientific endeavors have become more complicated. 许多科学研究变得更加复杂。
2. It was a massive project, easily surpassing the scale of such previous human endeavors as the Panama Canal. 这是一个巨大的工程，很容易就能超越人类先前努力的规模，比如巴拿马运河。
3. That should create more collaborative endeavors and help to develop projects aimed directly at solving global problems. 这将促进合作，并投入更多努力发展针对性地解决全球问题的项目。
4. Their artistic endeavors have been preserved in paintings of wild animals, cattle, goats, humans, and scenes of daily life that extend back perhaps to 5,000 B.C.. 他们的艺术成果被保存在野生动物、牛、山羊、人类以及日常生活场景的绘画中，这些场景可能可以追溯到公元前5000年。
5. At the same time, listening through earphones to the same monotonous beats for long stretches encourages kids to stay inside their bubble instead of pursuing other endeavors. 与此同时，用耳机长时间听单一节奏的音乐节拍可以使孩子沉浸在自己的世界里，而不去追求其他的东西。
