英语新闻听写 大起大落 比特币又暴跌（在线收听）

According to Business Insider, Bitcoin was back below the $4,000 level on Friday morning, falling as much as 7.55% to a low of $3,867.

据“Business Insider”报道，周五上午，比特币又跌破4000美元，暴跌7.55％，降至3867美元的低点。

The drop has all but wiped out Bitcoin's gain of more than 10% just two days earlier.

这一下跌几乎抵消了比特币两天前超过10％的涨幅。

It has been a difficult year for bitcoin investors, who in 2017 saw prices skyrocket by more than 2,000%.

这一年对比特币投资者来说很艰难，他们在2017年看到了它的价格飙升超过2000％。

Bitcoin then topped out in December and has since been in a downward spiral.

接着，比特币在12月达到顶峰，此后一直呈螺旋式下降。