He swore to having seen that movie before.

他说他以前肯定看过那场电影。

youdao

Having seen them swimming in their habitat, I find that hard to understand.

在看过那些鲸鱼在它们的栖息地畅游之后，我觉得更难理解。

youdao

Having seen them swimming in their habitat, I find that hard to understand.

在看过那些鲸鱼在它们的栖息地畅游之后，我觉得更难理解。

youdao