Meso
n. 中央;中间
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
It is never too late to learn.
什么时候学习都不晚。
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。