grandson-in-lawWiktionary 原文构词拆分grandson词根/词干+in-law词根/词干词源说明From grandson + -in-law.释义（英文）名词 NounThe husband of one's grandchild.词族相关词（4）grandmother-in-lawgrandfather-in-lawgrandparent-in-lawgranddaughter-in-law