1·Here's what hard science reveals about eye contact: We know that a typical infant will instinctively gaze into its mother's eyes, and she will look back.
以下是自然科学对眼神交流的揭示：我们知道，一个典型的婴儿会本能地凝视母亲的眼睛，而母亲也会回以注视。
2·Is Geometry a hard science like physics?
几何学是像物理学一样的自然学科吗？
3·This isn't wishful thinking but hard science.
这不是一厢情愿，而是科学道理。
4·I will study hard science increasingly difficult.
我要努力学习科学越来越难了。
5·A. Doing a hard science degree really trains your brain.
攻读自然科学学位真的很练脑子。
6·The lack of hard science is enough to scare off my friend.
缺乏自然科学常识足以使我的朋友望而却步了。
7·How to stick to hard science and engineering to everyday life.
怎样将天然迷信与工程学应用于日常生活。
8·"These people were trying to make ethology a hard science," Goodall recalls.
那些人试图将动物行为学变成一门艰深的学问。
9·Hard science and soft science are named after computer hardware and software.
硬科学和软科学是借用计算机中的硬件和软件来命名的。
10·This is hard science-fiction with a reasonably viable method of space travel.
这是带有合理可行的空间旅行方法的硬科幻小说。