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...
The nature of the polymer is currently a trade secret.这一聚合物的性质目前是个商业机密。Coverage of polymer particles is obviously influenced by emulsifier structure.显然聚合物胶粒总数受乳化剂结构的影响.One percent phenyl - beta - naphthylamine was added ...
将菜豆、切碎的薄荷和橄榄油放在大碗里搅拌。Combine the beans, chopped mint and olive oil in a large bowl.拿3个硬西红柿切碎。Chop up three firm tomatoes.他把那些断片切碎，然后把它们焊在一起。He cuts the pieces and solders them together....