令同事们最感钦佩的是里斯勇于向自己的工作挑战的精神。

Riess's colleagues are most impressed with his willingness to challenge his own work.

youdao

令同事们最感钦佩的是里斯勇于向自己的工作挑战的精神。

Riess's colleagues are most impressed with his willingness to challenge his own work.

youdao