今世紀が始まって以来、多くの進歩があった。の英語

Many improvements have been made since this century began.

This was how matters stood at the turn of the century.

The twenty-first century starts in just a few years.

In the course of the twentieth century all this changed.

It was built around the third century.

several centuries backward

During the 19th century, many inventions were developed.

Many people immigrated at the beginning of the 20th century

Our century has seen a notable increase of knowledge.

That was built in the middle of the sixth century.

It has been practiced as far back as the second century A.D.

The story goes back to the sixteenth century.

centuries ago

the century previous to the present century

toward the end of 20th century

The twenty-first century begins in 2001.

It was billed as the fight of the century.

in [during] the last century

It was the beginning of a century of images.

In Japan, a beautiful city was built as early as the eighth century.

We are living in the latter half of the twentieth century.

Science made remarkable progress in the Nineteenth Century.

Many big projects will be completed in the 21st century.

in the first century of the Christian era

Scientific knowledge has greatly advanced since the 16th century.

in the beginning of this century

the first decade of this [the 21st] century

in the middle of the 20th century

Scientific knowledge has advanced greatly since the 16th century.

in the last quarter of this century