制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子，其中一些中子再次有效地产生裂变。

"Literature is a mirror that reflects the complexities of human nature."

Sustainability in baking isn't just a trend; it's a responsibility.

Great design solves problems you didn't know you had in ways you never expected.

过去不是为了生活其中；它是一个结论的源泉，我们从中汲取以行动。

你的冰无法冻结是因为我。