Appropriacy
n. （措词的）准确性, 中肯, 恰到好处
🗣️ 情景例句
That makes me feel good.
那使我感到很高兴。
It's two o'clock.
现在两点。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。