1. 尝试：Experienced 经历 | Experimented 尝试 | Explained 解释
2. 试验：engineered 工程 | experimented 试验 | maintained 维护
1. experimented
1. Pilot ecological compensation work has been carried out and experimented with six ecological compensation projects, including rational coal resources development in Shanxi province.
2. Nestle added that research rules in the US require human subjects to give informed consent to being experimented on.
3. Although she has experimented with various sounds, the core of her music has always been heavy metal.
4. Da Dong said he experimented with several hundred ducks before coming up with " a secret recipe " to make them taste so good.
5. When paramount leader Deng Xiaoping opened the country to the outside world in 1978, artists eagerly experimented with Western techniques and daring themes.
6. He said he experimented just out of a whim but found the rope made of butts was tough and enduring.
7. Various local governments in China have meanwhile experimented with erasing the criminal records of juvenile delinquents who were convicted of minor infractions.
8. He experimented with playing trombone and flute before finally settling on the trumpet.
9. As they grew up they experimented with acting and dancing, and listened to classical music and hip hop.
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10. She also experimented with improvisation, something that she practiced first as a child.