全球人口在一九八七年达到五十亿，自此便以破纪录的速度增加。的翻译：World population reached 5 billion in 1987, and since then we at record-breaking speed increase. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The global population reached five billion in 1987, since then increased to a record-breaking speed.

World population reached 5 billion in 1987, and since then we at record-breaking speed increase.

The global population achieves in 1987 5,000,000,000, from now on then will break the record speed increase.

World population reached 5 billion in 1987 and have since increased in record time.

World population reached 5 billion in 1987, and since then we at record-breaking speed increase.