Reaching him I reflexively planted a foot against the concrete base of the railing latched an arm up and over then wrenched his body as hard as I could while I pushed back from the railing.
我一靠近他，不自觉的就把一只脚勾在栏杆下面的水泥底座上，伸出一只胳膊奋力地往上拉，尽最大努力拽着他的身体，奋力把他拉回来。
Avoid concrete as much as possible: It's about 10 times as hard as asphalt, and is a terrible surface for running.
尽量避免水泥路面：其硬度是沥青路面的十倍，是非常不适合跑步的路面。
As well as being ideal for Magnets, it will also bond Glass, Rubber, Ceramics, Wood, Metal, Leather, most Hard Plastics, Fabric, Cardboard, Chipboard, Dry Concrete and Masonry.
除了作为理想的磁铁，它也将债券玻璃，橡胶，陶瓷，木材，金属，皮革，最硬质塑料，织物，纸板，纤维板，清水混凝土和砖石。
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