Even though we haven't been buying any meat lately, I wash them once a week to be on the safe side.

即使最近没有买肉，为安全起见我也会一周清洗一次。

youdao

I always have to do chores. I have to walk the dog and feed him every day. I have to wash him once a week.

我每次都不得不做家务。我每天都不得不遛狗和喂它食物。每周我还得给它洗一次澡。

youdao

I always advise my clients to initially use this treatment every time they wash their hair until the condition has improved, then use once a week to maintain gorgeous conditioned growing hair.

我总是建议我的客户每次洗头都使用这个发膜，直到情况已有所改善，之后一周使用一次保持头发的生长条件。

youdao