buoy quoit救生圈
lanyon quoit兰洋夸特
deck quoit绳圈
bracket quoit托圈
quoit tennis圈网球
buoyant rescue quoit救生抓圈;救生索浮圈;营救浮环;施救浮索
rescue quoit and line施救浮索
one buoyant rescue quoit可浮救助环一个
N-UNCOUNT（不可数名词） Quoits is a game which is played by throwing rings over a small post. Quoits is usually played on board ships. 投环游戏