The buoy marked the entrance to the harbor.
这个浮标标志着港口的入口。
Fishermen often tie their boats to a buoy when they're out at sea.
渔民在海上时常常把船系在浮标上。
The coast guard placed buoys along the shipping lane to guide ships safely.
海岸警卫队沿着航道放置了浮标，以引导船只安全行驶。
The researchers used buoys equipped with sensors to monitor ocean currents.
研究人员使用装有传感器的浮标来监测海洋洋流。
The sailor spotted a red and white buoy indicating shallow waters ahead.
水手发现了一个红白相间的浮标，表明前方有浅水区。
The lifebuoy was quickly thrown into the water to help the struggling swimmer.
救生圈被迅速扔进水中，以帮助挣扎的游泳者。
Waves crashed against the buoy, causing it to swing back and forth.
波浪冲击着浮标，使它来回摆动。
A network of buoys collects data on temperature, salinity, and wave height in the open ocean.
一系列浮标网络收集公海中的温度、盐度和波高数据。
The old, rusted buoy had become a popular spot for seagulls to rest.
那个旧的、生锈的浮标成了海鸥们休息的热门地点。
Marine biologists attached acoustic transmitters to buoys to track the movements of whales.
海洋生物学家将声学发射器附在浮标上，以追踪鲸鱼的活动。
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