(noun.) a structure resembling a bag in an animal.
黛安娜校对
双语例句
The ordinary man prefers easy ways so long as they may be followed, and is almost wilfully heedless whether they end at last in a cul-de-sac. 赫伯特·乔治·威尔斯.世界史纲.
She was still wearing her hat, and her sac coat of blue silk. 戴维·赫伯特·劳伦斯.恋爱中的女人.
Her colourless hair was untidy, wisps floating down on to her sac coat of dark blue silk, from under her blue silk hat. 戴维·赫伯特·劳伦斯.恋爱中的女人.
He saw the blind valley, the great cul-de-sac of snow and mountain peaks, under the heaven. 戴维·赫伯特·劳伦斯.恋爱中的女人.