单词	speak at length
释义	请查阅词条：at length
随便看	under spell underspend under-spend underspending underspendings underspends underspent under-sphere understaff understaffed understaffed understaffed understaffing understairs understair(s understand understandabilities understandability understandability understandability understandable understandable understandably understander understander 什么是遗迹化石？什么是酸雨？什么是野葛？什么是金字形神塔？什么是金星合月什么是金砖五国? 什么是锋钢？什么是闰年? 什么是间断平衡？什么是阅读障碍？它是由什么引起的？ Günther Gürtel Gürtel Gürtelaufbau Gürtelbauart Gürtelbauweise Gürtelisolation Gürtelkonstruktion Gürtellage Gürtellinie