buoy
Definition
A floating object used as a marker in water, especially for navigation or warning.
中文 浮在水中用作标记的浮体，特别用于导航或警示。
Example
"The red buoy marked the edge of the safe channel."
A floating object used as a marker in water, especially for navigation or warning.
中文 浮在水中用作标记的浮体，特别用于导航或警示。
"The red buoy marked the edge of the safe channel."