buoyant
/ˈbɔɪ.ənt/ 形容词 C1中文： 有浮力的、乐观的、繁荣的
- Having buoyancy; able to float.
- Lighthearted and lively. · I’m in a buoyant mood.
- Involving or engaged in much successful trade or activity. (of an economy, business etc.)
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