firstling怎么读？

n.首批东西，初生物，最初成果，第一批产品...

Smoking is a causative factor in several major diseases.抽烟是引起几种严重疾病的病因。Especially in hearing - handicapped children , endolymphatic hydrops plays a major causative role in acute hearing loss.本症须与内淋巴水肿、外淋巴瘘 、 腮腺炎耳聋、及积液性中耳...

adv.愤怒地，生气地，气呼呼，气冲冲...

out of season的音标：out of season的英式发音音标为：[aut ɔv 'si:zən]out of season的美式发音音标为：[aʊt ʌv 'sizən]...

establishes的音标：...

subways的音标：subways的英式发音音标为：['sʌbweɪz]subways的美式发音音标为：['sʌbweɪz]...

“贱民”的英语可以翻译为：[旧] people of a lower social status than common people，doggery，pariah，ragtag，untouchable ...

v.在晚上( overnight的现在分词 )，在夜里，突然，很快...

fas的音标：...

vt.责骂，指摘，非难...

adj.大理石般的，大理石般的，冷酷的...

n.暴乱，骚乱v.暴动，闹事( riot的现在分词 )...

Portillo的音标：...

n.农夫( campesino的名词复数 )...

Objective Introducing the characteristics of congenital coronary artery fistula in cardioangiography and treatment.目的介绍先天性冠状动脉瘘的心血管造影特点及其治疗方法....

erode的现在完成时为：eroded...