Backwardness of science and technology例句:中国近代科技落后于西方的原因探析The Reasons of China Backwardness in Science and Technology 希望对你有帮助!
When technology not well developed, and people don't have too many recreational activities
Our technology is not yet developed.我们的科技还不够发达
动词结构:science and technology drop/fall/lag behind (in science and technology)名词结构:underdeveloped science and technology a backward scientific and technological level scientific and technological retardation (极贬义)
science and technology fall behind
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