alternation

/awl-ter-ney-shuhn, al-/US // ˌɔl tərˈneɪ ʃən, ˌæl- //UK // (ˌɔːltəˈneɪʃən) //

交替,交变,交替进行,交替使用

Definitions

n.名词 noun

1
- : the act or process of alternating or the state of being alternated.
- : alternate succession; repeated rotation: the alternation of the seasons.
- : Electricity. a single fluctuation in the absolute value of an alternating current or voltage from zero to a maximum and back to zero, being equal to one half cycle.
- : Linguistics. variation in the form of a linguistic unit as it occurs in different environments or under different conditions, as between the -ed and -en forms of the past participle in danced and spoken or between the and pronunciations of the past tense suffix -ed in hopped and rubbed.

nounrepeated rotation

Synonyms

But in Virginia it was grown without interruption or alternation, and the plantations rapidly deteriorated in fertility.
The alternation of the seasons is thus complete, one-half of the empire enjoying summer, while one-half is in winter.
It is the frequent alternation of freezing and thawing that does the harm.
Each group is made up of an alternation of soft marls or clays and hard limestones or sandstones.
This mechanical alternation is objectively the same as that between the noun house and the verb to house.