开坯机座轧辊get: vt. (got; 〔美、古〕 gotten; gett ...down: down3 n. 1.(装被、褥等用的)鸭绒 ...roll: vt. 1.滚,转,推滚(桶、车轮等),使(烟、尘土)滚 ...getting down: 下来getting down to brass tacks: 切入问题核心下载手机词典可随时随地查词查翻译