19 Later they learned that cleaning their teeth was important. But they didn't have toothpaste then. They tried things such as chalk and lemon juice.20 Not long after that, someone invented the toothpaste tube. That way people could put the paste right onto the toothbrush.Tooth brushing ...
Later they learned that cleaning their teeth was important.But they didn't have toothpaste(牙膏)then.They tried things such as chalk and lemon juice. (2) Not long after that,someone invented(发明)the toothpaste tube(牙膏管).That way people could put the paste(糊状物)right onto the toothbrus...
That's why Bluewater was invented – to bring you cleaner, healthier water as pristine as nature intended directly from your tap. Your tap water is treated with a host of chemicals to kill unhealthy bacteria and other microorgnisms. But trace compounds like chlorine remain. Chlorinated water ...
Crest with Fluoristan toothpaste was introduced nationally in 1956 by Procter & Gamble. The addition of fluoride was aimed at preventing tooth decay, a major health problem at the time. #37. Nestlé Toll House ZikG // Shutterstock #37. Nestlé Toll House - Positive opinion: 76% - Negative ...
A Frito-Lay executive is said tohave invented Doritosafter tasting toasted tortillas during a family vacation in Southern California in 1964. The first Doritos hit store shelves in 1966. The original version of the chips was plain, but the now-standard nacho cheese flavor was introduced in 1974...
56.Later they learmed that cleaning their teeth was important. But they didn't have toothpaste then. They tried things such as chalk and lemon juice.57.Not long after that, someone invented the toothpaste tube(牙膏管). That way people could put the paste right onto the toothbrush.Tooth ...
__ __ Did you know that the toothbrush was invented by the Chinese in 1,000 AD? We now have lots ofchoices in toothbrushes, with different sizes, shapes, colors and so on. Your dentist will tell you which toothbrush is the right size and shape for you. __ __ ② What is in ...
Today there are all kinds of toothpastes. Toothpastes come in different colors and flavors. When you choose your toothpaste, make sure it has fluoride. Fluoride makes your teeth strong. Use floss Sometimes your teeth need deeper cleaning than brushing. That is when floss is helpful. You pull...
3They have different colors and shapes. When you choose your toothpaste, make sure it has fluoride(氟化物), which makes your teeth strong. Use dental floss(牙线) Sometimes your teeth need deeper cleaning(更深的清洁)than brushing. That is when floss is helpful. You pull it between your teet...
When you choose your toothpaste, make sure it has fluoride(氟化物).Fluoride makes your teeth strong.Use dental floss(牙线Sometimes your teeth need deeper cleaning than brushing. That is when dental floss is helpful. You pull it between your teeth and it reaches places where your toothbrush can...