| 釋義 |
straighten 構(gòu)詞法3100 全國(guó)卷頻次：0 教材出處：譯林版必修B2U4 /?stre?tn/ v. straightens 0 straightening 0 straightened 0 （使）變直；（使）變平；（使）變整齊 高考真題原句提選：He always stayed after school to straighten chairs.他總是在放學(xué)后留下來(lái)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.河道治理是通過(guò)渠化來(lái)實(shí)現(xiàn)的，渠化一詞涵蓋了一系列河道工程，包括拓寬、加深、拉直和穩(wěn)定河岸，以及修建堤壩。An important period of channelization took place in Europe during the 19th century, when many large rivers were straightened and their beds deepened.19世紀(jì)是歐洲河道治理的重要時(shí)期，當(dāng)時(shí)許多大河都被拉直并加深了河床。 |