overbuyv.买得过多或过贵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overload breakage超载损坏overpressure test超压测试overprint coating复色迭印涂料overgauged length超标准长度overvoltage relay过压继电器Overerupted tooth过长牙overal limitation全面限额overhauser effect奥佛好塞效应,奥佛豪塞效应overhung mounting吊挂式安装overdetermination超定