Question

precaution 【PRECAUTION】They took heavy coats as a precaution against the possibility of cold weather.他们携带厚重的外套，以预防冷天来袭。【重点词汇】precaution n. 预防

Accepted Answer

[prɪ'kɔːʃn] 
precautiona precautionary measure warding off impending danger or damage or injury etc.
A precaution is a careful action you make in advance. You might want to take the precaution of bringing lots of water and sunblock if you're going on a desert hike.
Precaution means exactly what it sounds like. The prefix pre- means before, and caution means carefulness in the face of danger. People use glasses when they're on a computer as a precaution because there are links to long hours on a computer and vision damage. A fire drill is a precaution so that you know what to do in case of a real fire. Someone who is always careful exhibits precaution.
All forms of 'precaution' will appear on average once every 359 pages.cautioncautionarycautiousincautionprecautioncautiouslycautiousnessincautiousovercautiousincautiouslyincautiousnessprecautionalprecautionary

Front	precaution
Pron	[prɪ'kɔːʃn]
Back	【PRECAUTION】 They took heavy coats as a precaution against the possibility of cold weather. 他们携带厚重的外套，以预防冷天来袭。【重点词汇】 precaution n. 预防
Vocab	precautiona precautionary measure warding off impending danger or damage or injury etc. A precaution is a careful action you make in advance. You might want to take the precaution of bringing lots of water and sunblock if you're going on a desert hike. Precaution means exactly what it sounds like. The prefix pre- means before, and caution means carefulness in the face of danger. People use glasses when they're on a computer as a precaution because there are links to long hours on a computer and vision damage. A fire drill is a precaution so that you know what to do in case of a real fire. Someone who is always careful exhibits precaution. All forms of 'precaution' will appear on average once every 359 pages. caution cautionary cautious incaution precaution cautiously cautiousness incautious overcautious incautiously incautiousness precautional precautionary

Precaution Means Careful Computer Prɪ'Kɔːʃn Heavy Coats Possibility