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focus用法详解focus 点拨focus作动词，表示“集中(注意力)”，常与介词on搭配。 例句赏读 It is best to focus on your future and leave this sad thing in the past. 如果能集中注意力对待未来、把这件伤心的事留在过去就最好了。 He forced himself to focus his thoughts on work. 他强迫自己把思绪集中在工作上。 即学即练补全句子，每空一词。 那项研究把注意力集中在如何提高产量。 The study _ _ _ _ _ promote production. 3. crash 点拨crash表示“坠毁；撞毁”，可以作及物动词、不及物动词、名词。 例句赏读 His teenage son crashed the family car last night. 昨晚他十多岁的儿子把他家的车撞坏了。 The plane crashed soon after it took off. 飞机起飞后不久就坠毁了。 Many people died in the train crash. 很多人在那次火车撞毁事件中丧生。 即学即练补全句子，每空一词。 那架飞机坠入了河里。 The plane _ _ the river.
