Weightless

['weɪtlɪs] or ['wetləs]

解释:

(adj.) having little or no weight or apparent gravitational pull; light; 'floating freely in a weightless condition'; 'a baby bat...fluffy and weightless as a moth'; 'jackets made of a weightless polyester fabric' .

布伦达编辑--From WordNet

解释:

(a.) Having no weight; imponderable; hence, light.

克洛伊校对