giddily

I had to cling tight to the backstay, and the world turned giddily before my eyes;

我只觉得天旋地转，不得不紧紧抓住后牵索。

waltzers gyrating giddily. Tospin is to rotate rapidly, often within a narrow compass:

跳华尔兹舞的人快速旋转，令人眼花缭乱。 Spin 的意思是快速旋转，通常在狭窄的：