The club is the proving ground for young boxers.

这个俱乐部是年轻拳击手的摇篮。

《牛津词典》

As a judicial ideal, objective truth should not be the proving requirement but the proving goal.

追求客观真实作为一种司法理想应是证明目标而非证明要求。

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Laboratory testing is also fundamental to the proving of new technologies such as tidal and wind (or solar) energy.

实验室检测还是验证潮汐能、风能、太阳能等新技术的基础。

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The two Americans were working at the Aberdeen Proving Ground in Maryland.

VOA: special.2010.02.09

Physiologists ran tests, showing, proving scientifically the limit of human ability was running the mile in 4 minutes.

生理学家进行实验，在科学上展示证明人类能力极限,是四分钟跑一英里。

哈佛公开课 - 幸福课课程节选

These are all my proofs to support all the things that I've already told you, but I'm not going to bother proving it, it would take too long.

以上是我给大家所讲的论据,虽然我不介意给大家论证一下,但是那会占用太多时间

耶鲁公开课 - 古希腊历史简介课程节选

International experience is the proving ground for many a rising executive.

FORBES: Your Basic Guide To Business Travel Abroad

On the proving grounds' high-speed circuit, as one might expect, the new Range Rover felt distinctly less ponderous and quite a bit more spirited and direct in handling.

WSJ: 2013 Range Rover Review: If You Must Buy a Luxury SUV... | Rumble Seat

WiMAX is definitely the proving grounds for 4G.

FORBES: CTO Session: Nortel's Roese Speaks Out