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1. Oxford Dictionary

   buoyant

   • IPA[ˈbɔɪənt]

   英式

   • adj.
     able or tending to keep afloat or rise to the top of a liquid or gas.；(of a liquid or gas) able to keep something afloat
2. • 釋義

   adj.

   形容詞

   • 1. able or tending to keep afloat or rise to the top of a liquid or gas. 同義詞 able to float, light, floating, rarefloatable反義詞 heavy
   • ▪ (of a liquid or gas) able to keep something afloat buoyant water
   • 2. cheerful and optimistic the conference ended with the party in a buoyant mood 同義詞 cheerful, cheery, happy, light-hearted, carefree, ... 更多bright, glad, merry, joyful, bubbly, bouncy, effervescent, blithe, sunny, breezy, jolly, jovial, animated, lively, sprightly, jaunty, ebullient, high-spirited, vivacious, vital, sparkling, sparky, zestful, perky, optimistic, confident, hopeful, sanguine, bullish, positive, informalpeppy, zippy, zingy, upbeat, datedgay反義詞 depressed, pessimistic
   • 3. (of an economy, business, or market) involving or engaged in much successful trade or activity car sales were buoyant 同義詞 booming, strong, vigorous, burgeoning, thriving, ... 更多growing, developing, progressing, improving, expanding, mushrooming, snowballing, ballooning, informalgoing strong反義詞 depressed