prosthesis [prɒsˈθiːsɪs, ˈprɒsθɪˌsɪs] (pl. prostheses -siːz)
an artificial body part, such as a leg, a heart, or a breast implant (腿、心脏、乳房等)假体,修复体 his upper jaw was removed and a prosthesis was fitted. 他下巴的上半部分被切除,装了个假体。
the addition of a letter or syllable at the beginning of a word, as in Spanish escuela derived from Latin scola 词首添字母(或音节)(如西班牙语的escuela派生于拉丁语scola)