She has begun her new job this week.

她这周已经开始了新工作。

He has begun to learn a new language.

他已经开始学习一门新语言。

The project has begun to show results.

这个项目已经开始显示出成果。

The construction has begun on the new bridge.

新桥的建设已经开始了。

Digital media has begun to supersede traditional newspapers.

数字媒体已经开始取代传统报纸。

The presence of a blastema indicates that the regeneration process has begun.

再生芽的存在表明再生过程已经开始。

As temperatures have increased, however, some of the ice has begun to disappear.

然而，随着气温的升高，一些冰层已经开始消失。

The annual melt has begun.

每年一次的解冻期来了。

Perhaps it has begun already.

也许已经开始过了。

Thee new semester has begun.

新学期已经开始了。