←
  • acceptableadjective
    b2 🔊 🔊
  • acceptablyadverb
    b2 🔊 🔊
  • age limitnoun
    b2 🔊 🔊
  • beauxiliary verb
    b2 🔊 🔊
  • compulsoryadjective
    b2 🔊 🔊
  • controlledadjective
    b2 🔊 🔊
  • dueadjective
    b2 🔊 🔊
  • etiquettenoun
    b2 🔊 🔊
  • exceptionnoun
    b2 🔊 🔊
  • forbidverb
    b2 🔊 🔊
  • forbiddenadjective
    b2 🔊 🔊
  • guidelinenoun
    b2 🔊 🔊
  • imposeverb
    b2 🔊 🔊
  • leavenoun
    b2 🔊 🔊
  • necessaryadjective
    b2 🔊 🔊
  • necessitynoun
    b2 🔊 🔊
  • not be supposed to do somethingidiom
    b2
  • obligationnoun
    b2 🔊 🔊
  • permitverb
    b2 🔊 🔊
  • permitnoun
    b2 🔊 🔊
  • prohibitverb
    b2 🔊 🔊
  • prohibitionnoun
    b2 🔊 🔊
  • providedconjunction
    b2 🔊 🔊
  • providingconjunction
    b2 🔊 🔊
  • regulateverb
    b2 🔊 🔊
  • regulationnoun
    b2 🔊 🔊
  • requireverb
    b2 🔊 🔊
  • requirementnoun
    b2 🔊 🔊
  • restrictverb
    b2 🔊 🔊
  • restrictedadjective
    b2 🔊 🔊
  • restrictionnoun
    b2 🔊 🔊
  • rule booknoun
    b2 🔊 🔊
  • strictadjective
    b2 🔊 🔊
  • strictlyadverb
    b2 🔊 🔊
  • strictnessnoun
    b2 🔊 🔊
  • toughadjective
    b2 🔊 🔊

📝 加入单词本 — @topic_permission-and-obligation_level=b2

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