noun 下载 🔗分享 边境,边界。 The part of a country which borders or faces another country or unsettled region Examples : "The new school district's frontier stretches along the border with the neighboring state. " 新学区的边界沿着与邻近州的州界延伸。 geography nation area state politics 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 前沿,尖端. The most advanced or recent version of something; leading edge. Examples : "the frontier of civilization" 文明的前沿 technology science industry business 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 前沿阵地,前哨阵地 An outwork of a fortification. Examples : "The castle's frontier walls were heavily fortified to protect the inner keep. " 城堡的前沿阵地城墙经过了重重加固,以保护内部的中心堡垒。 military architecture 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 开拓,开辟。 To live as pioneers on frontier territory. Examples : "The family decided to frontier a new town, hoping for a fresh start and more opportunities. " 这家决定去开辟一座新城镇,希望能有一个新的开始和更多的机会。 history society culture action 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 戍守,使临边境。 To place on the frontier. Examples : "The company decided to frontier their new product line to a more diverse customer base. " 这家公司决定把他们的新产品线推向更多不同的客户群体。 geography area nation state 与AI对话词汇游戏阅读练习