名词
中文翻译：浮标
同义词：
['buoy', 'float例句：1. The boat was drifting with the current', 'and we needed a float meter to keep track of our speed.（船随波逐流，我们需要一个浮标计来跟踪我们的速度。）']
例句：
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1. The boat was drifting with the current, and we needed a float meter to keep track of our speed.
船随波逐流，我们需要一个浮标计来跟踪我们的速度。
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2. The engineer used a float meter to measure the depth of the water before diving into the lake.
工程师使用浮标计测量了湖水的深度，然后才跳入湖中。
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3. The fisherman used a float meter to determine the weight of the fish he had caught.
渔民使用浮标计来确定他捕获的鱼的重量。