预防
verb A2- to prevent
- to take precautions against
- to protect
- to guard against
- precautionary
- prophylactic
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From the library
科学研究发现，每天接受两个小时的户外自然光，能有效预防近视。
保持定期的手写练习，例如抄写经典散文或记录生活日记，是预防汉字失忆的有效途径。
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