spar buoy

常见例句

The spar buoys also had baskets fitted at the top to improve visibility in hard weather conditions.
頂標是上下兩個黑色圓錐，錐底相對的，是東方位標志；上下兩個紅色圓錐，錐尖相對的，是西方位標志。
The ship kept the buoy on her off side.
這條船在浮標的左邊。
cross spar buoy
十字杆浮標
manned spar buoy
海洋觀測浮塔
I threw a life buoy to him when I saw his struggling.
看到他在掙紥，我給他扔了一個救生圈過去。