They farm fungi, raise aphids as livestock, launch armies to war, use chemical sprays to alarm and confuse enemies, capture slaves, engage in child labour, exchange information ceaselessly.
它们培养菌类，将蚜虫当作家畜来饲养，发对军队作战，使用化学喷雾来警告和迷惑敌人，捕获奴隶，雇佣童工，并且不停地交换信息。
Brown sent some of his men to capture the old colonel and free his slaves.
布朗派遣几个人去抓捕这位老上校，并解放那里的奴隶。
The United States Congress twice passed laws authorizing the capture and return of runaway slaves, first in 1793 and again in 1850.
美国国会曾两次通过追捕逃奴的法案，第一次是在1793年，第二次是在1850年。
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