Preventiveness
n. 预防药；预防法 (preventive的变形)
🗣️ 情景例句
John and I celebrate our fortieth anniversary next month.
下个月John和我将庆祝我们的结婚四十年纪念。
When it started raining, I was playing outside.
当雨开始下的时候，我在外面玩。
We came here about two years ago.
我们大约两处前来到这儿。