Lymph nodes are round or bean - shaped structures strategically placed on lymphatic channel.淋巴结是圆形或豆形的构造,它们被战略性地布置于淋巴管的经路上.The result shows the encephalic pathological tissues have effect on the scalp boundary nodes pote...
He could alternately bully and charm people.他一会儿欺负人一会儿取悦人。She became alternately angry and calm.她时而愤怒时而平静。This movie is by turn ( = alternately ) terrifying and very funny.这部电影一会儿令人毛骨悚然,一会儿滑稽可笑....