This paper introduces mechanism, research methods and main results about microbubble dray reduction.该文介绍了微气泡降阻机理 、 研究方法和重要结论.A dray is a type of horse - drawn vehicle.雪橇是一种马拉的交通工具.She stood doggedly in checkout lines; sh...
'Pew ,'he cried ,'they've been before us . Someone's turned the chest out alow and aloft.'“ 皮武, 有人抢先了一步,已经把箱子翻了个底朝天. ”I am alow walker, But I never walk backwards!我最喜欢的一句话是我做得很慢, 但是我从来不会后退!C...
They strolled through the park, with arms entwined.他们挽着胳膊漫步穿过公园。The two floors above were trimmed with lacy balconies whose dark green iron intricacies were delicately entwined with bougainvillea and rippling vines of sc...