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...
黑发基因对于红发基因位点来说是上位遗传的.The dark - hair genes are epistatic to the red hair locus.典型的上位运动神经之损伤就会导致随意运动麻痹.A typical result of an upper motor neuron lesion is paralysis of voluntary movement.这是我做液位控制系统的上位机的VC程序源码.This is what...