| 单词 | X |
| 释义 | X 1. n. (also x) (pl. Xs or X's) 1. the twenty-fourth letter of the alphabet. 2. (as a Roman numeral) ten. 3. (usu. x) Algebra the first unknown quantity. 4. Geom. the first coordinate. 5. an unknown or unspecified number or person etc. 6. a cross-shaped symbol esp. used to indicate position (X marks the spot) or incorrectness or to symbolize a kiss or a vote, or as the signature of a person who cannot write. 2. symb. (of films) classified as suitable for adults only. Usage Formerly used in the UK to indicate that persons under 18 would not be admitted; it was replaced in 1983 by 18, but is still used in the US. |
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英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。