| 释义 |
‖ perpetuum mobile|pɜːˈpɛtʊəm ˈməʊbɪliː, -ʊm ˈməʊbɪleɪ|
[f. L. perpetu-us continuous + mobil-is movable, after primum mobile.]
1. = perpetual motion s.v. perpetual a. 1 b. Freq. in allusive use.
a1688Cudworth Treatise Freewill (1838) 28 This is an ever bubbling fountain in the centre of the soul, an elater or spring of motion, both a primum and a perpetuum mobile in us, the first wheel that sets all the other wheels in motion, and an everlasting and incessant mover. 1904B. Russell in Mind XIII. 337 ‘There is no perpetuum mobile’ does not mean ‘whatever exists differs from the perpetuum mobile’. 1933J. N. Findlay Meinong's Theory of Objects iii. 89 That China is a Republic, that there is no perpetuum mobile, that dirigible airships exist, all these may indifferently be called circumstances or states of affairs. 1953R. F. C. Hull tr. Jung's Psychol. & Alchemy in Coll. Wks. XII. ii. iii. 172 This theme was already hinted at in dream g, with its pendulum clock, a perpetuum mobile. 1964V. Nabokov Defence x. 162 The passionate chess player is just as ridiculous as the madman inventing a perpetuum mobile.
2. Mus. = moto perpetuo s.v. moto.
1893J. S. Shedlock tr. Riemann's Dict. Music 588/2 Perpetuum mobile..the name given to pieces written from beginning to end in notes of equal, and short value. 1938Oxf. Compan. Mus. 708/2 Perpetuum mobile,..a rapid instrumental composition that proceeds throughout in notes of the same value. 1969W. S. Newman Sonata since Beethoven xii. 508 The rondo is a virtual perpetuum mobile. 1972H. Tischler tr. Apel's Hist. Keyboard Music to 1700 xix. 664 One of the four pieces..is a kind of perpetuum mobile in 12/8. 1978Times 6 Apr. 16/8 Ravel asked Enesco if he would mind running through the whole sonata with him. They played it through, including the punishing perpetuum mobile. |