The ocean is not just a resource; it's our responsibility to protect it for future generations.
高分子化学的引入开辟了一个新的材料世界,其重要性可与哥伦布发现新大陆相媲美。
The question of truth and falsehood is always present, but it is not always answerable.
适应性是在不断变化的全球市场中生存的关键。
数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。