These two letters stand for the Latin phrase 'id est'.

这两个字母代表拉丁短语" id est" 。

Reuters reports say U.N. Security Council is to meet publicly on Ukraine at 9 p.m. EST on Monday.

据路透社报道，联合国安理会将于美国东部时间周一晚上9点就乌克兰问题举行公开会议。

Superlatives often have an –est ending, as in oldest or biggest.

最高级常以 -est 结尾，如在“最老的”或“最大的”中。

The Sage realizes that pulchrum est paucorum hominum — that beauty is for the few.

智者意识到，美好是属于少数人的。

I'm taking it to my pottery class tonight – we're having a competition for " est pot" .

嗯，我今晚要把它带到我的陶艺课上，我们有一场“Est pot”的比赛。

The Latin expression here is " id est" – " i.e." means " that is."

这里的拉丁语表达是“id est” ——“即” 。

The mission above New Mexico began shortly after 08: 30 EST (15: 30 BST).

新墨西哥州上空的任务在美国东部时间 08: 30（英国夏令时 15: 30）后不久开始。

And for the superlative form, add EST.

对于最高级的形式， 添加 EST。

And with a superlative, we add usually " est" .

对于最高级，我们通常添加“est”。

Habere est Haberi, which means, " What you possess, possesses you."

Habere est Haberi，意思是“你拥有什么， 就拥有你” 。