Effectuality
有效性
✅ 同义词
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
When you called me, I was eating dinner.
当你打电话给了我时，我正在吃晚饭。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。