他出生在世纪之交。
He was born at ___the ___turn ___of ___the ___century.
许多技术进步发生在世纪之交左右。
Many technological advancements occurred around ___the ___turn ___of ___the ___century.
在世纪之交,社会经历了重大变化。
At ___the ___turn ___of ___the ___century, society underwent significant changes.