infrastructure n.1.公共建设(如铁路、公路、下水道等) 2.基础建设 construction n.1.建造,建设;建造术[U] The new school is still under construction. 新学校还在建造中。 2.建筑物,建造物[C] The building is a construction of wood. 这是木质结构的建筑。 3.【语】句法关系,句法结构[C] You will soon learn when to use this kind of construction. 你不久就会学会何时该用这种句法结构。 4.解释,意义[C] Let's put a good construction on her conduct first. 让我们对她的行为先作一个善意的解释吧塌告。 concern vt.(不用被动语团清明态)关于 1.涉及,关系到;影响到 The letter is chiefly concerned with export commodities. 这正搜封信主要是关于出口商品的。 2.使担心;使不安[H][(+about/for)] The boy's poor health concerned his parents. 那男孩健康状况不佳,使他的父母亲忧虑。 3.使关心[H][(+about/with)] He was very concerned about her. 他对她非常关心。 n. 1.关心的事,重要的事[C] That's no concern of mine. 那不关我的事。 2.关系;利害关系[C][U][(+with/in)] 3.担心,挂念;关怀[U][C][(+about/for)] Andrew expressed his concern. 安德鲁表示了他的关切。 4.公司,企业[C] 5.【口】小玩意儿;东西翻译:首先,基础设施建设应是主要考虑的。