Mining of coal and logging of the forests became major industries as transportation improved on the rivers and railroads were built.

VOA: special.2009.07.20

As our understanding is improved and we've been able to build more complicated approaches to replacing function.

随着我们的认识不断加深,越来越多复杂精妙的,身体机能替代物随之产生

耶鲁公开课 - 生物医学工程探索课程节选

Their memory improved significantly, so their intelligence level as taking by tests before and after compared to control group improved significantly after a single week.

他们的记忆力有明显改善，他们的智力水平,在实验前后进行测试，再与对照组相比,在仅仅一周后就有明显改进。

哈佛公开课 - 幸福课课程节选

Later,as his skills improved, he made earrings and a necklace in the same color and design.

VOA: special.2009.05.18

0% of participants eyesight improved significantly, as a result of just changing the situation.

0%的参与者的视力有明显改善，仅仅是在改变情境的情况下。

哈佛公开课 - 幸福课课程节选

But as farm conditions improved, the Granges began to disappear.

VOA: special.2010.06.03

Their eyesight and hearing improved significantly in as little as a week.

他们的视力和听觉有明显改善,在短短一周时间内。

哈佛公开课 - 幸福课课程节选

As a result,they have improved their standing on the list.

VOA: special.2009.11.28

As the months passed, he improved the device.

VOA: special.2010.07.20

The survey released Monday indicates trade finance has since July improved in most APEC economies as more cash has become available.

VOA: standard.2009.11.09

UNESCO's recognition last year of batik as part of Indonesia's intangible cultural heritage has also improved its allure.

VOA: standard.2010.04.14

Delegates from Asia, the United States and Europe attending two-day International Wildfire Management Conference see improved technology and research as weapons against wildfires around the world.

VOA: standard.2009.06.24