今日长难句
As he and his colleagues report in Immunity, they have found a bacterium that induces its host’s immune system to release compounds on which it can then feed.
词汇解析
colleague [ˈkɑːliːɡ] n. 同事，同僚
bacterium [bækˈtɪriəm] n. 细菌（bacteria的单数形式）
induce [ɪnˈduːs] v. 诱导，引起，导致
host [hoʊst] n. 宿主，寄主
immune system 免疫系统
release [rɪˈliːs] v. 释放
compound [ˈkɑːmpaʊnd] n. 化合物
结构分析
✔句子主干：
they have found a bacterium
✔状语从句：
As he and his colleagues report in Immunity
✔定语从句1：
that induces its host’s immune system to release compounds
✔定语从句2：
on which it can then feed
参考译文
As he and his colleagues report in Immunity, they have found a bacterium that induces its host’s immune system to release compounds on which it can then feed.
正如他和他的同事在《免疫》杂志上报告的那样，他们发现了一种细菌，它能诱导宿主的免疫系统释放出化合物，然后以其为食。
