短语词组短语silkworm cocoon 蚕cocoon dressing 茧式敷料;翻译malformed cocoon 畸形茧castor cocoon 蓖麻茧;详细翻译tussah cocoon 柞蚕茧pongee cocoon 蓖麻茧cocoon filament 茧丝 返回 cocoon