地质学是研究自然界有机和无机领域连续变化的科学。
To read is to travel without moving.
As the sun rose he saw other boats in toward shore, which was only a low green line on the sea.
除了诱惑,我什么都能抵抗。
能源的未来是多样化的,没有单一的解决方案。
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.
行为主义者眼中的心理学是自然科学的一个纯粹客观的实验分支。