单词	beef about
释义	请查阅词条：beef
随便看	restaurate restaurateur restaurateurs restauration secondary industry secondary legislation secondary meaning secondary modern school secondary picketing secondary planet secondary position secondary process secondary sector secondary sexual characteristic secondary smoke secondary smoking secondary status secondary status/position secondary stress secondary structure secondary thickening secondary to secondary treatment second ballot second banana 年三十年下年中年事年代年份年会年假年光年关 Druckdifferenzschalter Druckdifferenzschreiber Druckdose Druckdosierung Druckdreieck Druckdrosselung Druckdüse Druckeichung Druckeinfluß Druckeinheit