diven.潜水；跳水vi.跳水；俯冲；潜心钻研dive under the bed很快钻到床底下dive in the pocket突然把手伸进口袋dive into the study钻研dive into the crowd冲进人群dive air compressor潜水空气压缩机dive into the water潜入水中dive under the water潜入水下dive into one's work异常矿化dive-recovery flap退出俯冲减速板Dive Bomber Squadron俯冲轰炸机中队