傷害牙齒與牙齦
Are you seeking a toothpaste that can whiten your teeth? Do you think charcoal toothpaste is a good idea? Well, you may want to read this article first.
正在找能夠美白牙齒的牙膏嗎？覺得木炭牙膏還不錯？那麼你也許要先看看這篇文章。
whiten(v.)變白charcoal(n.)木炭
A study published in the British Dental Journal indicates that charcoal toothpaste may harm our teeth and even cause cavities to become dark in color.
一篇發布於《英國牙科期刊》（British Dental Journal）的研究指出，木炭牙膏可能會傷害我們的牙齒、使口腔顏色變黑。
charcoal(n.)木炭harm(v.)傷害cavity(n.)腔
The study showed that although charcoal toothpastes are gaining in popularity in many countries they actually do more harm than good for oral hygiene.
該份研究顯示，木炭牙膏在許多國家都變得越來越受歡迎。但是，木炭牙膏對口腔衛生卻沒有幫助。
gain(v.)增加popularity(n.)流行harm(n.)傷害oral hygiene口腔衛生
The charcoal particulate is a good stain remover, but it also harms teeth and the surrounding gums.
木炭牙膏中的木炭微粒能夠去除污漬，但也會傷害牙齒與周邊牙齦，
particulate(n.)微粒stain(n.)污漬remover(n.)去除劑harm(v.)傷害surround(v.)環繞gum(n.)牙齦
Moreover, it may make other useful ingredients in the toothpaste such as fluoride less effective.
還會降低牙膏中其他有用的成分，比方說氟化物，的效力。
ingredient(n.)原料、素材fluoride(n.)氟化物effective(adj.)有效的
While there is no evidence proving that charcoal toothpastes are linked to any particular diseases, we now know that it may not be the best choice for oral health.
雖然目前並沒有證據證明木炭牙膏真的會導致疾病，但現在我們知道，木炭牙膏並非對口腔健康最好的選擇。
evidence(n.)證據prove(v.)證明be linked to跟⋯⋯有關聯particular(adj.)特定的
Some studies suggest we use coconut oil as a pure and natural toothpaste. It’s always a good idea to seek our dentist’s advice when we have difficulty in choosing a new toothpaste.
有些研究建議，我們可以用椰子油當成單純又天然的牙膏。或是當下次我們無法決定該用哪款牙膏時，直接找牙醫師諮詢吧。
suggest(v.)建議pure(adj.)純的advice(n.)建議