单词：abutment splint
支柱牙固定装置
单词：abutment splint 相关文章
Renaud was left with no alternative but to hope that a couple of planks will be strong enough to splint the weakened throwing arm. Finally work starts on raising the great trestle s. With each passing
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中世纪攻城战
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3-D Printed Device Helps Children with Rare Breathing Disorder 3-D打印设备可以帮助罕见呼吸障碍儿童呼吸 You may have heard about a process called 3-D printing. It is where a machine creates a three-dimensional object -- one with heig
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2015年VOA慢速英语(五)月
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Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine this situation. You are
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环球英语 Spotlight