| 釋義 |
lternate2 /'altaneit; bltznet/ vt, vi 1 [VP6A, 14] arrange or perform by turns; cause to take place, appear, one after the other: 輪流; 使交替發(fā)生或出現(xiàn)： He ~d kindness with severity, was kind, then severe, then kind again, etc. 他時(shí)而仁慈時(shí)而嚴(yán)厲 (恩威并施) 。 Most farmers ~ crops. 大多數(shù)的農(nóng)人實(shí)行輪種 (輪替種植不同的作物，以保持土壤之肥沃性) 。 → rotation (2). 2 [VP3A] ~ between, pass from one state, etc to a second, then back to the first, etc: 一下子…一下子…：He ~d between high spirits and low, spirits. 他一下子高興一下子沮喪。 ~ with, come one after the other, by turns: 輪流出現(xiàn); 交替; 交互發(fā)生： Wet days ~d with fine days. 雨天與晴天交替更迭。 alternating 'current, current that reverses its direction at regular intervals, the cycle being repeated continuously, the number of complete cycles per second being known as the frequency. 交流; 交流電。 → direct (5). alternation /,lts'nei/n; , !tv'nesn/ n |