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| 词汇 | straighten |
| 释义 | straighten 构词法3100 全国卷频次：0 教材出处：译林版必修B2U4 /ˈstreɪtn/ v. straightens 0 straightening 0 straightened 0 （使）变直；（使）变平；（使）变整齐 高考真题原句提选：He always stayed after school to straighten chairs.他总是在放学后留下来修理椅子。River control is achieved by channelization, a term that covers a range of river engineering works, including widening, deepening, straightening and stabilization of banks, and by the construction of dams.河道治理是通过渠化来实现的，渠化一词涵盖了一系列河道工程，包括拓宽、加深、拉直和稳定河岸，以及修建堤坝。An important period of channelization took place in Europe during the 19th century, when many large rivers were straightened and their beds deepened.19世纪是欧洲河道治理的重要时期，当时许多大河都被拉直并加深了河床。 |
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