每星期一次
1. 一周一次：自然清新一周一次(once a week) 人体周效净味巾自然清新一周一次(once a week) 人体周效净味巾自然清新一周一次(once a week) 人体周效净味巾自然清新一周一次(once a week) 人体周效净味巾自然清新一周一次(once a week) 人体周效净味巾自
2. 每周一次：◆ go to the movie 去看电影 | ◆ once a week 每周一次 | ◆ hardly ever 很少
1. Studies have shown that people who eat cabbage once a week compared to once a month slash their colon cancer risk by a third.
2. Families with unpaid charges are reminded with an automated phone call each night and notes are sent home with children once a week.
3. They will eat canned food similar to that currently offered on the International Space Station and shower only once a week or so.
4. Many studies denying a link defined regular cell phone use as " once a week, " he said.
5. Once you've enjoyed the bird at Christmas, you really don't look want to chew on a week's worth of turkey sandwiches.
6. No one answered the door last week at the address where Cooper once lived, and a neighbor said he did not recall anyone by that name.
7. My kids, and also I see a rehab counsellor once a week.
8. once a week
8. Though she is off the drugs her doctor had prescribed her, she continues with the therapy once or twice a week at school.
9. Limit the number of times you eat out to once a week.
10. The Red Setting Sun functions as a magnet for some elderly people to escape daily ennui and family responsibilities at least once a week.