demonstrated

过去分词：

动词过去分词: demonstrated

更多词形：

动词过去式: demonstrated | 动词过去分词: demonstrated | 动词现在分词: demonstrating | 动词第三人称单数: demonstrates |

单词例句：

An assistant demonstrated the washing machine (to customers).

店员(向顾客)示范如何使用洗衣机。

She demonstrated a new car to customers in the department store.

她在百货公司向顾客示范驾驶一辆新汽车。

An orientation study demonstrated the potential.

探索性研究结果证明了其可能性。

He demonstrated an openness to change.

他显出了对变革的开明态度。

The workers demonstrated for higher wages.

工人示威要求加薪。

She demonstrated how the computer works.

她演示计算机的使用方法。

The lawyer demonstrated that the witness was lying.

律师证明证人在说谎。

The hero demonstrated his courage by his actions in battle.

战斗英雄的勇敢表现在战场上。

The loyalties demonstrated their love for the country.

这些忠诚的行为显示了他们对祖国的爱。