Objective To study and shear bond strength of resin - reinforced glass ionomer cement ( RGIC ) on orthodontic brackets.目的探讨两种树脂加强型玻璃离子水门汀对托槽粘结强度的影响.Objective: To apply the theoretical basis of argent - glass ionomer ceme...
Thick black smoke streamed from the twin smokestacks of the town's crematorium.厚厚的黑烟流从双烟囱的城市的火葬场.An endless flow of words streamed from the same orifice.一连串滔滔不绝的话都是同一张嘴巴讲出来的.The sunlight streamed through some crevic...
Ms Rice is keen not to sharpen tensions ( ship - boardings will apparently be few ).赖斯女士不想加剧紧张局势 ( 很明显,船只运送的货物将会很少 ).Ginny tried to sharpen up some rusty typing skills.金尼试图重拾生疏了的打字技术。This exercise will help students shar...
Most larches have brittle branches and produce relatively few flowers on lower branches.大多数落叶松具有脆弱的枝条,并且下部枝条开花较少.How many golden larches are there in the arboretum?植物园里有几棵金钱松?...
The bus driver is responsible for the passengers safety.公共汽车司机应对乘客的安全负责.Air hostesses all smile when they serve the passengers.空姐们为乘客服务时总是满脸笑容。Children under 12 and passengers aged 65 or above enjoy concessionary fares o...