We shall find it more convenient to consider first the metallic elements themselves.

我们认为首先讨论金属元素自身是更为合适的.

辞典例句

Other pollutants under study include the metallic elements called heavy metals.

其他一些正在被研究的污染物包括重金属元素.

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There are about seventy metallic elements, and all but mercury are solids under ordinary conditions.

除汞外,大约有70种金属元素在常温下都是固体.

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