| 单词 | to push back the frontiers of sth |
| 释义 | 1.(between countries)边疆；边界；边境 It wasn't difficult then to cross the frontier.当时过境并不难。 a far-flung outpost on the frontier遥远的边境前哨 2.(between people)界限 This is an easy way of crossing different social frontiers.这能轻松地跨越不同的社会界限。 3.<美>(edge)+of country边远地区；边区 4.+of science, technology尖端；最前沿 technological frontiers技术前沿 5.to push back the frontiers of sth (break new ground)开拓…的新领域 We're pushing back the frontiers of science.我们在开拓新的科学领域。 See frontier |
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