martinet规律: law; regular pattern严肃: serious; solemn; earnest的: 4次方是 The fourth power of 2 i ...严肃的: grave; grim; heavy; puritan; serious; smileless; sober; solemn; stern; strict不严肃的: unserious下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:规律严肃的，即可在微信中查询翻译
