spar buoy

常见例句

The spar buoys also had baskets fitted at the top to improve visibility in hard weather conditions.
顶标是上下两个黑色圆锥，锥底相对的，是东方位标志；上下两个红色圆锥，锥尖相对的，是西方位标志。
The ship kept the buoy on her off side.
这条船在浮标的左边。
cross spar buoy
十字杆浮标
manned spar buoy
海洋观测浮塔
I threw a life buoy to him when I saw his struggling.
看到他在挣扎，我给他扔了一个救生圈过去。