buoy

US /ˈbui, bɔɪ/

UK /bɔɪ/

B2 中高級
n. (c.)可數名詞浮標;救生圈
When we were children we used to swim all the way out to the red buoy and back
v.t.及物動詞浮標
The Navy attempted to buoy the ship after the accident

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