off是什么词性，showed

是动词词性，例如：

1、She had made Helen a dress which showed off her tiny waist.她给海伦做了件很显她纤细腰身的连衣裙。

2、The dress showed off her lovely figure.这条连衣裙衬托出她优美的身段。

3、The gown showed off her lovely figure.那件睡衣显露出她优美的（身段）线条。