相关单词近义词 lighthearted 心情愉快的, blithesome 愉快的, blithe 快乐的, lightsome 快活的临近词light, light soup相似词light years away idiom, light-bulb moment, light-fingered, light-headed, lighted, lighten, lighten sth up, lighten up, 返回 light-hearted