ken English.?我并非总是能听懂英语口语。?not always 是部分否定的用法。“不一定总是,未必总是,不总是”。当not 与 both, always, all, everyone , everything等词连用时,表示部分否定。?Not everyone likes this book.Рspeed n. 速度Рincrease speed 提高速度?lose speed 减速?pick up speed 加速?reach a speed 达到某一速度?at a speed of 60 miles an hour?以每小时六十英里的速度РI don’t know how to increase my reading speed.?我不知道如何提高我的阅读速度。?how to increase my reading speed 是“疑问词+动词不定式”结构。?英语中,疑问代词what,who,which 和疑问副词where,when,why,how 等后面可接动词不定式。?I can’t decide where to go.Рincrease 此处用作及物动词,它也可用作不及物动词,意为“增加;增长”。其常用短语:?increase to “增加到……..”;?increase by ……..“增加了……..”?The population in this city will increase to 1,000,000.?The price of the vegetables increased by 10%.РI often make mistakes in grammar . ?我经常在语法方面犯错误。? make mistakes “犯错;出错”,还可以说make a mistake.?“在某方面犯错误”用make mistakes in …….
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