bas-relief/ˌbæs rɪˈli:f, also ˈbɑ: rɪli:f; ˌbæsrɪ`lif/ n(a) [U] form of sculpture or carving in which a figure or design projects only slightly from its background （人像或图样略微凸出於平面的）半浮雕, 浅浮雕.(b) [C] example of this 浅浮雕品.
牛津英汉双解词典