一位戴头盔的男子正跨上摩托车。A man in a crash helmet was mounting a motorbike.他戴上了一顶破旧的防护头盔，上面的面罩已有划痕。He pulled on a battered old crash helmet with a scratched visor.所有骑摩托车的人都必须戴头盔，这是强制性的。It is compulsory for all motorcyclists to wear...
Objective: Using the forming Cystitomy to treat the mandibular and maxillary cyst.目的: 探讨成形性囊肿切开术行颌骨囊肿的疗效.This paper presents the bionic dental implant model of central maxillary incisor.以上颌中切牙为解剖学基础,提出了仿生种植牙模型.Multiple a...
探讨清醒镇静胃镜胃息肉电切术的围手术期的护理措施.To investigate nursing of gastric polyp electrocision by awak - sedation gastroscope during operation.目的探讨宫腔镜电切术治疗粘膜下子宫肌瘤的疗效及安全性.Objective : To study the effect and safety of treating submucous m...
Salt is a preservative for meat.盐是肉类的防腐剂.Every piece of timber was planed, cut to size and stained with cedar preservative.每根木材都被刨平了，切割成一定尺寸，并涂上了雪松防腐剂。Clearly aqueous preservative systems must possess a fixation mechanis...
Moon's weak gravity let the gasses slip away into space.月球的微弱引力允许气体逃到太空里去.Fluid includes both gasses and liquids.流体包括气体和液体.If gases from pressure tanks are bubbled through the nutrient, only quality gasses should be...