今天單詞都有“未開發(fā)的”的意思
backward adj.making less than normal progress;toward a worse or a previous state.（貶義詞，表示某種惡意的對(duì)比）落后的；（也指人）遲鈍的；智力差的
※It’s a backward agricultural country.這是考試大一個(gè)落后的農(nóng)業(yè)國(guó)家。
primitive adj. Simple and unsophisticated ,as if from an earlier period of history. 原始的；未開化的
※In primitive times.people lived in caves.原始社會(huì)時(shí)，人們住在洞穴里?！?BR> underdeveloped adj. Not yet used for agriculture,industry,building,etc.;(of a country etc.)not having achieved its potential in economic development.未開發(fā)的（強(qiáng)調(diào)某國(guó)或某地區(qū)盡管不發(fā)達(dá)，但卻有潛在的資源，并具有一定的潛力）
※It is an underdeveloped country.這是個(gè)欠發(fā)達(dá)的國(guó)家
backward adj.making less than normal progress;toward a worse or a previous state.（貶義詞，表示某種惡意的對(duì)比）落后的；（也指人）遲鈍的；智力差的
※It’s a backward agricultural country.這是考試大一個(gè)落后的農(nóng)業(yè)國(guó)家。
primitive adj. Simple and unsophisticated ,as if from an earlier period of history. 原始的；未開化的
※In primitive times.people lived in caves.原始社會(huì)時(shí)，人們住在洞穴里?！?BR> underdeveloped adj. Not yet used for agriculture,industry,building,etc.;(of a country etc.)not having achieved its potential in economic development.未開發(fā)的（強(qiáng)調(diào)某國(guó)或某地區(qū)盡管不發(fā)達(dá)，但卻有潛在的資源，并具有一定的潛力）
※It is an underdeveloped country.這是個(gè)欠發(fā)達(dá)的國(guó)家