or record-setting rainfall, or the longest drought on record.或创纪录的降水，亦或极端的旱灾

on record正式记录的, 公开发表的

He ran the fastest race on record.

他跑出了记录在案的最好水平。

It is on record that the summer was the wettest for50 years.

记录说今夏是50年来雨量最多的季节。

and adding a few more to the dice.好像给骰子多加了几个六的面

a few有些； 几个.

She read me a few extracts from her own new novel.

她把她自己的新小说念了几段给我听。

Only a few of my friends were informed about it.

这件事只有我的几个朋友知道

So now our chances of a record-breaking heatwave are twice what they used to be.因此我们遇上破纪录酷暑的概率是以往的两倍

used to be过去是

The place used to be a stretch of barren land.

早先这里是一片不毛之地。

This country used to be a British colony in Asia.

这个国家曾是英国在亚洲的殖民地。