单词 obdurate 的例句
He is obdurate in his convictions. 他执着于自己所坚信的事。
He remained obdurate, refusing to alter his decision. 他依然固执己见,拒不改变决定。
单词 amplify 的例句
The new manager wants to amplify the company. 新经理想要扩大公司。
Please amplify your remarks by giving us some examples. 请举例详述你的话。