Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.

哺乳动物细胞只能识别单链RNA,如果细胞的防御机制发现了双链RNA就会破坏它以保护机体不受病毒的感染。

youdao

I only buy grass-fed or organic meat, and so the price can be double that of the mass-produced variety.

对于我本人而言，我只购买绿色有机肉类，所以在大多数的肉类品种中这种肉的价格要翻一番。

youdao

In your life, you will encounter a variety of opponents, but do not worry, because the enemy is a double-edged sword, may pose a threat to you, but it may also become a driving force for you.

在你的人生中，一定会遇到各种各样的对手，但不要担心，因为敌人是一把双刃剑，可能对你造成威胁，但也可能成为你进取的动力。

youdao

But given the size of those reserves, and the banks overwhelming need for income, it might not take much in the way of interest rate spread expansion to get some monetary inflation of the double digit variety from these banks.

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The presence of several double-bottom formations across a variety of markets inspires this in-depth study, which teaches how to identify, analyze, and trade these patterns most effectively.

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We would also like to include double-tap behaviours for dodging and a wide variety of close-quarters utility thaumaturgic powers.

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