“氢气”造句

氢气在工业上广泛用于制氨。
Hydrogen is used extensively in industry for the production of ammonia.

氢气是一种无色 、 无味的气体.
Hydrogen is a corlourless, odourless gas.

氢气对于气球来说是一种有用的气体, 它比空气轻.
Hydrogen is a useful gas for balloons. It is lighter than air.

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