单词	one sigh
释义	英華☞sigh
随便看	polytypism poly u polyundecaneamide polyunsaturate polyunsaturated polyunsaturated acid polyunsaturated fat polyunsaturated fatty acid polyura eudamippus formosana polyura narcaea meghaduta polyuranate polyurea polyurea fibre polyurea synthetic fiber polyuresis polyuresis--polyuria polyuresis， polyuria polyurethan polyurethane polyurethane adhesive polyurethane coating polyurethane elastic fiber polyurethane elastic fibre polyurethane fiber polyurethane fibre