The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.

蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。

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If conditions within an organism's environment occasionally or regularly become harsh, it may be advantageous for an organism to have a resistant stage built into the life cycle.

如果一个有机体的环境条件偶尔或经常变得严酷，它可能是有利于这个有机体在生命周期中形成一个抗性阶段的内建。

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The more pesticides are used, the more resistant the insects become so the more pesticides have to be used. It's a vicious circle.

杀虫剂使用得越多，那些昆虫的抵抗力越强，因此就要使用更多的杀虫剂。这是一个恶性循环。

《柯林斯英汉双解大词典》

One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

And in general, when people devote a lot of energy or money or expense to something, they are extraordinarily resistant to having it proven wrong.

一般来说，当人们投入的精力，金钱或成本越多时，他们就越不会相信自己是错的。

耶鲁公开课 - 心理学导论课程节选

Well, let's try; let's be a little resistant here to this.

好的，让我们试一下，我们耐心一点。

哈佛公开课 - 计算机科学课程节选

In my work at AgingParents.com, I see families struggle with trying to get a resistant elder to move into assisted living.

FORBES: Can We Stop Aging Parents From Complaining?

President Barack Obama continues to press a resistant Congress to allocate funds.

FORBES: Heroes of the Evolution

Australian scientists are attempted to use genetic modification to develop a strain resistant to Race 4, while those in Honduras are working on breeding a better banana through more conventional means, by cross-pollination.

FORBES: Banana Fungus Threatens World Crop