Conclusions Fluoride mouth rinse can effectively prevent and enamel decalcification in fixed - orthodontic treatment.在固定正畸治疗中,含氟漱口液能有效防治牙釉质脱矿.There was a moose head on the wall. Some wag had put a cigarette in its mouth....
One day, however, a Nashville songwriter named David Chase overheard Hill singing in the office.然而一天, 纳什维尔当地一位叫戴维·切斯的写歌人碰巧听到希尔在办公室里哼唱.Another building in Nashville fills residents with pride - the Parthenon.另一座建筑物在田纳是帕台农...
...the dense primeval forests that once covered inland Brittany.曾经覆盖着布列塔尼大区内陆的茂密的原始森林The explorer spun many fantastic tales about his adventures in the primeval forests.那探险家杜撰了许多他在原始森林里历险的离奇故事.It'straggled onward in...
她讲话时斟酌再三，说得非常慢。She spoke very slowly, weighing what she would say.他对自己的每次行动都再三思量是否合适。He wonders about the appropriateness of each move he makes.当局斟酌权衡再三才宣布他们的决定。The authorities took time to pronounce their verdicts....
"Bravo, Rena! You're right," the students said.“好样的，雷娜！你是对的，”学生们说道。When Rena was sick, she had all kinds of company.丽娜生病时有很多人来陪伴她.He made amends to Rena for her loss.他赔偿丽娜的损失....
He drove with blithe disregard for the rules of the road.他开车时全然不顾交通法规。A blithe heart makes a blooming visage.人逢喜事精神爽.She said "hi" with the blithe assurance of someone who knew how much she'd been missed.她高兴地说了声“嗨”，...
Hemophilia was first described in 1803.血友病在1803年初次被描述.Hemophilia: Hereditary Bleeding disorder caused by deficiency of a coagulation factor.血友病: 一种遗传性出血性疾病,因先天性缺乏某种凝血因子而引起.Are Chronic Hepatitis C viral Infections More Be...