| 正面 | 10691.heartland 英 ['hɑːtlænd]美 ['hɑrtlænd]     |
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| 背面 |     释义： 1. Etymologically, mediocre means 'halfway up a mountain'.2. medium => mediocre.3. from medius "middle" + ocris "jagged mountain" (see acrid, acrobat, acrophobia).4. acrid, acrobat, acrophobia => mediocre.n. 中心地带；心脏地区 例句： 1. We then headed west towards the heartland of Poland.我们随后朝西前往波兰中部。 heartland 腹地，中心地带heart,心，心脏，land,土地。比喻用法。 heartland (n.)also heart-land, 1904, first recorded in geo-political writings of English geographer H.J. MacKinder (1861-1947), from heart (n.) in figurative sense "center, core" + land (n.)." |