Read Edit View history 备用二级头呼吸器 bèiyòng'èrjítóuhūxīqì octopus Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 备用二级头呼吸器/備用二級頭呼吸器 · bèiyòng'èrjítóuhūxīqì · octopus 2026/03/04 备用二级头呼吸器 / 備用二級頭呼吸器 bèiyòng'èrjítóuhūxīqì octopus a backup regulator used in scuba diving, often referred to as an octopus 潜水员在紧急情况下会使用备用二级头呼吸器。 created sense Mar 4, 2026, 02:25 AM