在水中，氧这种最丰富的化学元素与氢结合，其含量多达89%。
Oxygen, the most abundant chemical element, is present in combination with hydrogen to the extent of 89 percent in water.
在水中，氧这种最丰富的化学元素与氢结合，其含量多达89%。
Oxygen, the most abundant chemical element, is present in combination with hydrogen to the extent of 89 percent in water.
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