| 单词 | heartland |
| 释义 | heartland /hahrt"land', -leuhnd/, n. 1. the part of a region considered essential to the viability and survival of the whole, esp. a central land area relatively invulnerable to attack and capable of economic and political self-sufficiency. 2. any central area, as of a state, nation, or continent: a vineyard in California's heartland. [1900-05; HEART + LAND] |
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