Cystic fibrosis is the commonest fatal hereditary disease.

囊性纤维化是最常见的致命性遗传疾病。

We chose a few of the commonest lexical items in the languages.

我们选取了各语言中最常见的几个词汇。

The commonest form of phobia.

这是恐怖症的一种形式。

Basalt is the commonest volcanic rock.

玄武岩是最普通的火山岩。

Pruritus is one of the commonest symptoms.

瘙痒是最常见的症状之一。