The police, raining blows on rioters and spectators alike, cleared the park.警察不分闹事者与观众统统一顿猛击，把人们清除出了足球场。It's always dull and raining.天气总是阴雨连绵。It has been raining heavily all day.大雨下了一整天。...
钢筋的表面可以是光圆的, 带肋的,或者是锯齿状的.The surface of the reinforcement may be plain, ribbed or indented.好象在我左肋的什么的地方有根弦.It's as if I had a string somewhere under my left rib.将自行研究配制的轻质 微 膨胀混凝土应用于拱肋的加固.In this paper, lightweight ...