These modifications include the chemical alternation of the bases.

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.

There is an alternation of black and white stripes in that cloth.

那匹布黑白条纹相间.

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.

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。

Diplobiontic Describing life cycles showing a typical alternation of generations with haploid and diploid somatic bodies.

异型世代:具有典型的单倍体和二倍体世代交替的生活史的现象.

The gamete-producing phase in a plant characterized by alternation of generations.

'配'.''子''.'体'.''植物中以世代交替为特征的产生''.'配'. ''子产生的阶段.

Consequently, this cycle is also known as the alternation of generations.

因此, 这种生命周期又称为世代交替.

List the three variations on alternation of generations in plants.

植物的三种世代交替.

Finding himself under fire from all quarters, he had no alternative but to abandon his scheme for the time being.

在这四面楚歌的情况下, 他没有别的办法,只好暂时放弃他的计划.

The only alternative to being taken prisoner was to die fighting.

除了当俘虏之外,惟一的选择就是奋战至死了.

They have no alternative but to resign collectively.

他们除了集体辞职以外是别无选择了.

Housework is negatively valued as a retreat from a disliked alternative — employment work.

家务劳动给消极地看作是逃避不喜欢的另一种选择——受雇工作.

There was no alternative for them to vote in favor.

他们别无选择,只有投票赞成.

Is there a credible alternative to the nuclear deterrent?

是否有可以取代核威慑力量的可靠办法?

We returned by the alternative road.

我们从另一条路回来的.

The book gives you a flavour of what alternative therapy is about.

这本书让你大致了解一下什么是替代疗法。

There is an increasingly popular alternative.

有了越来越受欢迎的替代品。

He said the only alternative was to starve the people, and he said this could not be allowed to happen.

他说唯一的其他选择就是让人们挨饿，又说这是绝对不允许发生的。

If you are already considered a credit risk by a bank, a secured loan might be your only alternative.

如果银行已经认为你有信用风险，那么抵押贷款就是你唯一的选择了。

If you like alternative comedy you'll love this book.

如果你喜欢另类喜剧的话，你就会喜欢这本书。