A few years back, a man called Kevin Lafferty took a group of scientists into three Californian estuaries and they pretty much weighed and dissected and recorded everything they could find, and what they found were parasites in extreme abundance.
几年前，一个叫做凯文·拉弗蒂的人 带领一组科学家前往三个加州的河口 它们基本上将所有发现的东西 称重，解剖，并记录， 他们所发现的是 寄生虫的数量极为巨大。