In the distance I could hear the chug of farm machinery.离老远，我都能听到农机具的突突声。Busy boasts chug and scurry about the river - racy speed boat, stolid, snorting tugs.繁忙的船只在河上鸣叫着来来往往 - --高速快艇和笨头笨脑喘着气的拖驳.Chug Chug Chug , Toot Toot...
护士给病人放出腹水.The nurse tapped the patient's abdomen.其融合艾式腹水细胞能力在紫外线照射到2分钟保持为百分之百.Its capacity to fuse Ehrlich's ascites cells remained at 100 % through 2 min. of UV.目的: 探讨内皮抑素基因治疗在癌性腹水中的治疗作用.Objective : To evaluat...