名词
中文翻译：气体浮标
同义词：
['gas float', "gas balance例句：1. The ship's gas ballast was carefully adjusted to ensure stability.（为了确保船只的稳定性，仔细调整了船上的气体浮标。）2. The engineer had to replace the old gas ballast with a new one.（工程师不得不用新的气体浮标替换旧的。）"]
例句：
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1. The ship's gas ballast was carefully adjusted to ensure stability.
为了确保船只的稳定性，仔细调整了船上的气体浮标。
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2. The engineer had to replace the old gas ballast with a new one.
工程师不得不用新的气体浮标替换旧的。
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3.The pilot used the gas ballast to adjust the altitude of the aircraft.
飞行员使用气体浮标来调整飞机的高度。