今年大学的申请人数有了显著增长。

There has been a ___significant rise in university applications this year.

新政策对环境保护做出了重大贡献。

The new policy made a ___significant contribution to environmental protection.

许多人认为这一发现是本世纪最重要的发现之一。

Many people consider this discovery one of the most ___significant of the century.