劍橋詞典in the US, a group of people chosen by the House of Representatives to consider a particular subject （在美國由眾議院選出，專門負責某件事情的）眾議院專門委員會 He appeared before the House Committee on Space, Science and Technology. 他出席并回答了眾議院空間和科學技術委員會的問題。 返回 House Committee