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...
My brother is fretful because he is cutting his teeth.我的小弟弟直发脾气,因为正在长牙.It was a busy, as it turned out , fretful journey.旅途公务繁忙, 实际上也颇为焦急.I was angry, fretful, and impatient.我又气又恼, 可心烦了....
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...
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...
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...