alternation
英 [,ɔːltə'neɪʃən]
美 [,ɔltɚ'neʃən]
alternation 助记提示
1. altern- + -ation.
2. => one after the other, by turns.
3. Alternate means "by turns;" alternative means "offering a choice." Both imply two kinds or things.
alternation 英文词源
- alternation (n.)
- mid-15c., from Old French alternacion, from Latin alternationem (nominative alternatio), noun of action from past participle stem of alternare (see alternate (v.)).
alternation 双语例句
1. The alternation of sun and snow continued for the rest of our holiday. 我们剩余的假期里依旧时而晴天时而下雪。 来自柯林斯例句
- 2. Light and shade come in swift alternation ; Days and months flash by as quickly as a weaver's shuttle.
- 光阴似箭,日月如梭.
来自《现代汉英综合大词典》
- 3. There is an alternation of black and white stripes in that cloth.
- 那匹布黑白条纹相间.
来自辞典例句
- 4. This alternation feature is commonly related to emplacement of C - shaped rolls.
- 蚀变的特征一般同C形的卷型矿化有关.
来自辞典例句
- 5. These modifications include the chemical alternation of the bases.
- 这种修饰作用包括碱基的化学变化.
来自辞典例句