She named the other radium. She measured the amount of radioactivity, an atomic property, and felt that the radioactivity was proportional to the amount of the element.

她测量了这两个元素放射性的总量和原子性质，感觉到物质的放射性是同放射性元素的总量成比例的。

youdao

A: Historically, nature has been a wild element that human beings have felt the need to subdue and control.

答：历史上，自然一直被视为是一种狂野的力量，人类觉得一定要征服、控制自然。

youdao

Press styrofoam element into the opening until it is felt to engage.

将聚苯乙烯泡沫塑料元件压入开口直至感觉已接合。

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Thirty years ago, Mr Schmidt felt in his element as leader of the Social Democrats in parliament, just as Mr Scharping did in the same job until last autumn.

ECONOMIST: Rudolf Scharping, measured German warrior | The

Just 26% of advisers surveyed felt that "knowledge" was the most important element of customer service, compared with 47% of clients.

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"There's the kind of mythical or personal or historical element to thinking about the solar system that felt like a really fun idea, " Mr Dessner said.

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