But their testosterone plunged , compared to peers who stayed single .

不过他们和依旧单身的同伴相比，睾酮水平暴跌。

That plunged to 26.7 % in 2009 as world trade crashed .

2009年，随着世界贸易的崩溃，比例骤降至26.7%。

Property prices have plunged too .

地产价格也已经暴跌。

The stockmarket plunged , giving up all its gains since january .

股市暴跌，自从1月以来所有的获利全部损失殆尽。

The birth rate plunged from the highest in canada to the lowest .

该省的出生率在加拿大也从第一骤降至最后一名。