An orthodontist took a cast of the inside of Billy's mouth.正畸医生从比利的口腔内部取了模型。Wear ligating modules, headgear and other accessories as instructed by your orthodontist.4严格按正畸医生的要求戴用橡皮圈和牵引头帽等辅助装置.Then I get manic depres...
它用讽刺的语言呈现了天主教作家郑重其事表明的观点。It presented in satirical terms points made in earnest by Catholic writers.从上往下俯瞰，山谷呈现出人形轮廓。Viewed from above, the valleys form the shape of a man.这支管弦乐队呈现了精彩的演奏，堪称其多年来的巅峰演奏。The orchestra contriv...
较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.磷化氢是一种有毒气体,在空气中可以自燃.Phosphine is a toxic gas which ignites spontaneously in air.它们也可作为自燃点火成分,改进点火和重新点火性能.They also...