K

练习内容

[{"word":"keep","pronun":"[ki:p]","translation":"v. \u4fdd\u6301; \u7559\u4f4f"},{"word":"key","pronun":"[ki:]","translation":"adj. \u57fa\u672c\u7684 n. \u7b54\u6848; \u94a5\u5319; ..."},{"word":"kil