(noun.) the quality of being light enough to be carried.
格温多林手打
双语例句
The Prometheans, however, possessed the advantage of portability, and for occasional purposes they were convenient. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
In Fig. 204 is shown a modern form of Kodak, which is made in various sizes and is foldable for compact and convenient portability. Edward W. Byrn.十九世纪发明进展.