Alternate

(verb.) do something in turns; 'We take turns on the night shift'.

(verb.) go back and forth; swing back and forth between two states or conditions.

(verb.) exchange people temporarily to fulfill certain jobs and functions.

(adj.) of leaves and branches etc; first on one side and then on the other in two ranks along an axis; not paired; 'stems with alternate leaves' .

(adj.) serving or used in place of another; 'an alternative plan' .

(adj.) occurring by turns; first one and then the other; 'alternating feelings of love and hate' .

(adj.) every second one of a series; 'the cleaning lady comes on alternate Wednesdays'; 'jam every other day'- the White Queen .

编辑:维尔玛

• By dint of alternate threats, promises, and bribes, the lady in question was ultimately prevailed upon to undertake the commission. 查尔斯·狄更斯. 雾都孤儿.
• Watt saw that the alternate heating and cooling of the cylinder made the engine work slowly and caused an excessive consumption of steam. 威廉·亨利·杜利特. 世纪发明.
• Great as is the force at work, ages are required to produce a range of mountains like the Cordilleras; moreover, progress is not uniform and subsid ence may alternate with elevation. 李贝. 西洋科学史.
• Alternate frosts and thaws succeeding to floods, rendered the country impassable. 玛丽·雪莱. 最后一个人.
• The approach end of the bed, approximately eighteen feet long, is constructed of maple, with each alternate strip of the 3 x 1-inch bed stock about eighteen inches shorter. 佚名. 神奇的知识之书.
• Then I tried alternate words, but neither 'the of for' nor 'supply game London' promised to throw any light upon it. 阿瑟·柯南·道尔. 福尔摩斯回忆录.
• During the alternate periods of elevation and of stationary level the record will generally be blank. 查尔斯·达尔文. 物种起源.
• It was to the alternating voice that gave out about one-tenth of them--the voice that had wished her good night. 托马斯·哈代. 还乡.
• The currents are then said to be alternating. 佚名. 神奇的知识之书.
• For this purpose the alternating current seems eminently adapted, as transformers only are needed to raise the line to high transmission voltage and to lower it again for use. 佚名. 神奇的知识之书.
• Pasteur was racked with fears alternating w ith hopes, his anxiety growing more intense as the virulence of the inoculations increased. 李贝. 西洋科学史.
• Splitting and crumbling of rock caused by alternating heat and cold. 伯莎M.克拉克. 科学通论.
• Gramme employed the commutator to make the current direct instead of alternating. 威廉·亨利·杜利特. 世纪发明.
• For some years it was not found feasible to operate motors on alternating-current circuits, and that reason was often urged against it seriously. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Long periods of slowness and stagnation have alternated with shorter or longer periods of prolific growth, and these with seasons of slumber and repression. 威廉·亨利·杜利特. 世纪发明.
• Phases of spreading and intermixture have probably alternated with phases of settlement and specialization in the history of mankind. 赫伯特·乔治·威尔斯. 世界史纲.
• For phases of vigorous proselytism alternated with phases of exclusive jealousy in Jewish history. 赫伯特·乔治·威尔斯. 世界史纲.
• The current obtained from such a dynamo alternates in direction, flowing first in one direction and then in the opposite direction. 伯莎M.克拉克. 科学通论.

校对:赛克