单词	tier
释义	tiertier /tɪr/ ●○○ noun [countable] Etymology ETYMOLOGYtier Origin: 1400-1500 Old French tire order, rank; ➔ ATTIRE 1 one of several rows or layers of something, especially seats, that rise one behind another:  the top tier of seats2one of several levels in an organization or system:  the most senior tiers of management—tiered adjective
随便看	staves stay stay-at-home staycation staying power St. Christopher and Nevis STD std. stead steadfast steadfastly steadfastness steadily steadiness steady steady-state theory steak steakhouse steak knife steak tartare steal stealth stealthily stealthy steam

英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。