outreach/ˈaʊt.riːtʃ/形容词扩大(医疗或其他)服务范围的,外展服务的an outreach worker/centre外展服务工作人员/中心/ˈaʊt.riːtʃ/名词扩大(医疗或其他)服务范围,外展服务The centre was awarded a grant for outreach to the homeless.这个中心被授予一笔资金用于为无家可归者提供外展服务。想跟读,去练习