They caution that ice should be applied only 20 minutes at a time.

他们还提醒说冷敷每次需要20分钟。

youdao

They caution, however, that the findings need to be confirmed by other researchers.

但是，他们也提醒，这些发现还需要由其他研究人员证实。

youdao

They caution that a child's skin is especially sensitive to heat and also recommend laptop warning labels.

他们告诫孩子的皮肤是对热量特别敏感的，还建议手提电脑贴上警告标示。

youdao

"It's putting a false sense on the market right now that everybody has this big flashing yellow light flashing, caution,caution,caution, so people are buying stuff you know in high volume than they usually buy.

VOA: standard.2010.05.08

They caution, though, that there are important differences between virtual plagues and real ones.

ECONOMIST: Epidemiology

They caution that the company's plans are still in the early stages and could change.

WSJ: Apple's Silence Feeds Talk of New Gadget

However, many other La Nina events have not seen novel flu strains spread around the world, they caution.

BBC: La Nina 'linked' to flu pandemics