graceful的副词形式是什么

例句：

We were all bewitched by the graceful dancer.

我们都被那位优雅的舞者迷住了。

The dancers were all tall and graceful.

这些舞蹈演员都个子高高的，动作十分优雅。

The exterior of the building was elegant and graceful.

这座大厦外观雅致而优美。