1680s; see asymmetry + -ical. Other forms that have served as an adjective based on asymmetry are asymmetral (1620s), asymmetrous (1660s), and asymmetric (1875); only the last seems to have any currency. Related: Asymmetrically.
权威例句
1. Most people's faces are asymmetrical.
多数人的脸并不对称。
2. Folds may be gentle and symmetrical, or sharp and asymmetrical.
褶皱可以是平缓而对称的, 也可以是陡峭而非对称的.
3. Some attention is also being given to the development of asymmetrical triazines.
对于不对称的三氮杂苯类的发展也给予很大的重视.
4. In the asymmetrical applications, the plane of the cables is at the edge of the walkway.
当不对称布置时, 索面布置在人行道的一侧.
5. Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas.