1、Part of this concept was the creation of Earth as a proving ground to train new Michaels.
這個概念中的一部分是，創(chuàng)造地球作為一個培養(yǎng)新Michaels的試驗場。

2、New York is a proving ground today for the Democratic presidential candidates.
今天的紐約是民主黨總統(tǒng)候選人的試驗場。

3、They also offer a proving ground to help avoid missteps in other cities that face similar issues.
它們還是一塊試驗場，能夠幫助面臨類似問題的其它城市避免錯誤。

4、What could be seen as child's play is in fact a proving ground for the prosw.
兒童劇事實上成了超低音音響的試驗場，還有什么可看的呢？

5、It's an ideal proving ground for the new car.
這里是個理想的新車試驗場。

6、The club is the proving ground for young boxers.
這個俱樂部是年輕拳擊手的搖籃。