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distraction
使人分心之物，娱乐消遣
I study in the library because there are no distractions.
我在图书馆学习，因为那里没有令人分心的事物。
emphasize
强调
The dentist emphasized the need to brush my teeth after every meal.
牙医强调我必须在每次饭后刷牙。
habit
习惯
Regularly watching hours of TV is a bad habit.
定期长时间看电视是很不好的习惯。'
instrument
工具，仪器，乐器
The dentist uses many instruments to fix teeth.
牙医用很多仪器来治疗牙齿。
prevent
防止、预防
Brushing your teeth every day helps prevent problems later.
每天刷牙有助于预防日后的问题。
procedure
疗程，手术，程序、步骤
The procedure lasted only a few minutes.
那个疗程只持续了几分钟。
regularly
定期地，规律地
You must visit your dentist regularly, at least every six months.
你必须定期看牙医，至少每六个月一次。
