ir·ri·ga·tion·al英ˌɪrɪ'geɪʃənl美ˌɪrɪ'geɪʃənlBNC²³⁶²¹³⁺¹ 基本例句 adj.灌溉的⁵⁰;水利的⁵⁰ Clear water gushed into the irrigational channel. 清澈的水涌进了灌溉渠道。《新英汉大辞典》 The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area appears opposite variation tendency. 研究结果表明,径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。 cnki