Many a worker and engineer has succeeded in the experiment.

在这次试验中，许多工人和工程师取得了成功。

youdao

Formerly a worker himself, he is now an engineer.

他过去是工人，现在是一名工程师了。

youdao

Formerly a worker himself, he is now an engineer.

过去他是工人，现在是工程师了。

youdao

Formerly a worker himself, he is now an engineer.

过去他是工人，现在是工程师了。

youdao