ivory
/ˈaɪvərɪ; `aɪvərɪ/ n
1 [U] creamy-white bone-like substance forming the tusks of elephants, walruses, etc 象牙; （海象等的）长牙
[attrib 作定语]
an ivory statuette 象牙制的小雕像.
2 [C] object made of this 象牙制品
a priceless collection of ivories 象牙的稀世珍品收藏.
3 [U] colour of ivory 象牙色的; 乳白色的
[attrib 作定语]
an ivory skin, complexion, etc 乳白色的皮肤、 面色等
ivory-coloured silk 乳白色的丝绸.
4 (idm 习语) an ,ivory `tower place or situation where people retreat from the unpleasant realities of everyday life and pretend that these do not exist 象牙塔（对日常生活中烦恼的现实视而不见者的退身之所或处境）
live in an ivory tower 生活在象牙塔中
[attrib 作定语]
lead an,ivory-tower e`xistence 过象牙塔式的生活.