high technology, high tech

adj. 质量好，价格较高的（商品）, (of commodities) high-end, high-grade, of superior quality

v. 把财产、才能、经验等献给国家或公众, contribute, dedicate, devote, offer one’s assets, skills or experience to the country or the public; n. 为国家或公众所做的有益的事, valuable thing done to the country or the public

be rich/wealthy

用于成对或成套的东西

n. 成年女子的通称, a general term for women