Another word you can use is a sizzler.

你可以使用的词是大热。

The British people will say, Oh, today has been a sizzler of a day.

英国人可能会说，哦，今是大热。

Now sizzler is also a British word.

Sizzler 也是英式单词。

So we can say and use as a noun, Oh, today has been a sizzler.

所以我们可以使用名词，哦，今是大热。

Where are you? -I'm at the sizzler. I had the buffet. Where's my ring?

你在哪？-我在篝火旁。吃了点自助餐。我戒指呢？

So sizzler is also a noun, so like the Americans can say, oh, today has been a scorcher of a day.

Sizzler 也是名词，就像美国人可以说，今是大热。