So, she rinses her mouth with mouthwash and then she flosses. To floss, "floss," means to take a piece of string and put it between your teeth to get food from between your teeth - to get rid of - to remove that small piece of food that might be in your teeth.
她用漱口水漱口,然后用牙线清洁牙齿。用牙线清洁牙齿(floss)意思是拿一根线,放在牙缝里,把卡在牙缝里的食物清理出来,除去,或者说清除可能卡在牙缝里的食物残渣。
After, Lucy takes out, or gets, her toothbrush and toothpaste and brushes her teeth. So, she gets her toothbrush and puts on toothpaste, which is a kind of soap for your teeth, and she brushes, or cleans, her teeth. She only washes her "hair every other day." That means that she doesn't clean her hair every day, she does it every other day - Monday, Wednesday, Friday, Sunday, Tuesday, Thursday - every other day.
接下来,露西拿出,或者说取出牙刷牙膏,开始刷牙。她拿起牙刷,挤上牙膏。牙膏是一种牙齿清洁剂,露西用来刷牙,清洁牙齿。她“每两天”洗一次头。也就是说她并没有天天洗头发,而是每隔一天洗一次,周一、周三、周五、周日、周二、周四,每隔一天洗一次。
来源:可可英语 http://www.kekenet.com/Article/201709/526503.shtml