Moonbows are rarer than rainbows.

月虹比彩虹更罕见。

New species of snakes, however, are much rarer.

然而，新品种的蛇则要稀有得多。

Taxis on a rainy New York night are rarer than sunshine.

在纽约的雨夜打车比见到阳光还难。

French kissing is rarer still.

而法式深吻则更加少见。

And several are even rarer than gold.

有集中甚至比黄金更稀有。

The Earth's freshwater is even rarer.

地球上的淡水更为稀少。

Programs using yacc, but not lex, are rarer.

使用yacc而不使用lex的程序比较罕见。

“A good pearl is rarer than a diamond,” he says.

他说道：“好珍珠比钻石还罕有。”

It's even rarer I give someone my direct number.

并不经常觉得出租车来早了，更稀奇地是，我还会给某人留了号码。

In America panic among CDS buyers has been rarer.

在美国，信用违约互换的买家中尚难觅恐慌的踪迹。

A rarer gin hand is two sequences of five CARDS each.

比较少见的“金”是手中有两副顺子，每副五张牌。

It is rarer for coaches to live apart from their family.

但是教练和他们的家人分居就少见了。

But the regulations do not cover rarer forms of E. coli.

然而，这些条例没有将大肠杆菌的一些罕见种类纳入监管范围。

Of course,the belief,I am Napoleon is a much rarer belief.

当然了，我是拿破仑这个信念更罕见。

Some of the rarer kinds of snake go for up to? 10,000 each.

一些较为罕见的蛇类的售价可高达10000欧元一条。

But in fact, violent crime is far rarer in Japan than elsewhere.

但是事实上，暴力犯罪在日本的发生率远比其他地方低。

Financing was hard to scare up, and deals were smaller and rarer.

融资难，成交难，交易规模小。

These, mercifully, have grown much rarer in Egypt in recent years.

幸好，近年来类似事件在埃及很少发生了。

Latin will be even rarer-and forget about adding Mandarin this year.

拉丁文课会更加罕见——更别提今年会增加中文课了。

The remaining 75% is almost certainly governed by rarer genetic variations.

剩下的75%几乎由更为少见的基因变异所控制。

Now admittedly, dying as a joint undertaking is far rarer than dying alone.

无可否认共同死亡比单独死亡少见得多。

That is also true in a rarer form of human AIDS caused by a virus called HIV-2.

这也真实地反映在另一种罕见的人类艾滋病上，这种艾滋病是由HIV - 2型病毒而引发的。

That means traditional tie-ups will become rarer and exotic unions more common.

这就意味着传统的党间合作将越来越少，而新奇的联盟将更加普遍。

But they can and should be made rarer. That can be done without compromising security.

这种（相撞）事故很少见，不过就算在不影响安全的前提下它们也可以变得更少见。

The most creative people imitate rarer, more brilliant sources and cover their tracks.

最有创意的人模仿罕见的、更加优秀的资源，然后掩盖其模仿的痕迹。

The great thing about getting older is that this sort of public failure gets rarer too.

年龄增长的一个好处，就是这种当众失败的情况越来越少见。

Non-radioactive carbon comes in two forms: 12C and the heavier (and much rarer form) 13C.

非放射性碳以两种形式存在：12C还有较重（并且更罕见）的13C。