前锋艾伦·史密斯两次严重失误，将球射偏。Striker Alan Smith was guilty of two glaring misses.那个前锋找不到进球的感觉。The striker was unable to find his scoring touch.阿森纳队的前锋仍旧信心十足，精力充沛。The Arsenal striker remains jauntily confident....
消防员须身穿保护装置及正压呼吸设施.Firemen should wear proper protective equipment and positive pressure self - contained breathing apparatus.可以工作在正压或负压下, 简单的螺丝刀调节, 多种弹簧可选.They work under pressure or suction. Simple screwdriver adjustmen...
至于制造天平的材料, 既可以用铝也可以用钢.As far as balance construction materials are concerned, both aluminum and steel may be used.低重心的设计, 提高了天平的稳定性.Design with low gravity center, the stability of the balance is improved.通过移动铅笔, 实际上你是在移...