短语词组短語silkworm cocoon 蠶cocoon dressing 繭式敷料;繙譯malformed cocoon 畸形繭castor cocoon 蓖麻繭;詳細繙譯tussah cocoon 柞蠶繭pongee cocoon 蓖麻繭cocoon filament 繭絲 返回 cocoon