作为爱尔兰人,就是要知道最终世界会让你心碎。
To be Irish is to know that in the end, the world will break your heart.
数学是一门活生生的学科,随着新思想的出现而不断发展。
乳制品行业关系到国民健康,我们必须以最高的标准要求自己。
I'm interested in the weak materials, the materials that people don't think can be used for permanent structures.