overflyv.飞越；飞过；飞越上空overprep.在 ... 的上方；遍及地；在 ... 期间adv.穿过；完全覆盖；结束；落下n.(板球中)每个投球手一次连续所投出的球数overdrawing account透支户over-priced goods定价过高的商品overvoltage crowbar过压保护overplay one's hand普通野生稻overstrength factor超强系数over ride interrupt最优先中断over wintering host越冬寄主overload prediction过载预测overheat protection过热保护overlord enterprise霸业