Efficatious
灵验(指疗效)
🗣️ 情景例句
Thank you.
谢谢。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。