当他到达空间站，在他脸上露出成功地(注：非正式用语，意为：成功地)微笑。

When he arrived at the space station, there was a big smile on his face.

youdao

主要探讨高科技园区非正式交流空间的景观设计方法。

Studies on Green Space System Planning of High-tech Park;

youdao

主要探讨高科技园区非正式交流空间的景观设计方法。

Studies on Green Space System Planning of High-tech Park;

youdao