- an anchored float serving as a navigation mark, to show reefs or other hazards, or for mooring浮标, 航标。
with obj.
1
- keep (someone or something) afloat使浮起, 使漂起：
I let the water buoy up my weight.
我任水把我浮起。
1.1
- （常作be buoyed）cause to become or remain cheerful and confident使情绪高涨：
the party was buoyed by an election victory.
竞选获胜, 该党情绪一片高涨。
1.2
- （常作be buoyed）cause (a price) to rise to or remain at a high level使上涨：
the price is buoyed up by investors.
投资者使价格一路飙升。
2
- mark with an anchored float用浮标指示, 为…设浮标：
as adj. buoyed a buoyed channel.设浮标的水道。
词源
Middle English: probably from Middle Dutch boye， boeie， from a Germanic base meaning 'signal'. The verb is from Spanish boyar 'to float'， from boya 'buoy'.