单词	au courant
释义	au cou·rant (ō′ k-räɴ) adj. 1. Informed on current affairs; up-to-date. 2. Fully familiar; knowledgeable. [French : au, in the + courant, current.]
随便看	Ptah ptarmigan PT boat PTC PTCA -pter pteranodon pteridine pteridological pteridologist pteridology pteridophyte pteridophytic pteridophytous pterodactyl pterodactyloid pteropod pteropodan pterosaur pteroylglutamic acid pterygial pterygium pterygoid pteryla PTH

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