middle period work的意思|示意

foot in the Middle Ages and one foot treading a path for modern science, Newton spent the first phase of his life, the period of life in Trinity when he did all his real work.

在这些混合的和奇特的研究中——一只脚在中世纪，一只脚为现代科学踩出一条路——牛顿度过了他人生的第一阶段，在三一学院的生活时期，这时的他做了所有他真正有价值的工作。

Originated in the middle China, Migrated toward south during a long period, the Hakka people built earth buildings shoulder to shoulder, with their work songs loud through the sky.

客家自古出中原，斗转星移往南迁，心齐同把土楼建，劳动号子穿云天。