劍橋詞典used to form adjectives meaning "within" (the stated place or group ) （構(gòu)成形容詞）在內(nèi)，內(nèi)部 intra-EU trade 歐盟內(nèi)部的貿(mào)易 intra-family disputes 家庭內(nèi)部的爭執(zhí) 比較inter- 返回 intra-