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over high-speed超高速overwear syndrome过度疲劳综合征overhand stopping上向梯段回采overside delivery输入港水上船边交货over-age vessel超龄船over sized fibres粗纤维over-compethion过度竞争oversize diameter特大直径overriding credit背对背信用Over-enrichment富营养