Eras
n. 纪元, 时代；年代（era的复数形式）
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
There are three terms in a school year.
一学年有三个学期。
Can't you see? They're round, like the moon. Have one, please.
你没看见吗？它们像月亮一样，圆圆的。请吃一个吧。