inflection造句

The man's voice was devoid of inflection.
那人的声音缺少抑扬变化。

"Seb?" he said, with a rising inflection.
“是塞伯吗?”他扬声问道。

She spoke in a low voice, always without inflection.
她低声说话, 总是声调平平无抑扬变化.