| 释义 |
sym.bi.ot.icH.sIm7baI5Bt7Ik, $-5B:7tIkadjspecialized共生的The relationship between the ant and the tree is symbiotic-- the tree provides food for the ant, and the ant protects the tree from harmful insects.蚂蚁和大树之间是共生的关系----大树向蚂蚁提供食物，而蚂蚁则保护大树不被害虫破坏。(fig.) For some time, the two countries had enjoyed a symbiotic existence, one providing the oil and the other the grain.两国曾一度互相依存，一国提供石油，另一国提供粮食。
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