倍數：“兩倍”用twice/double，“三倍以上”用“基數詞+times”，常用句型有：

　　①　倍數+as...as

　　Eg：We have produced four times as many computers as we did last year.

　　②　倍數+比較級+than

　　Eg: His uncle is twice older than he.

　　She has read three times more books than I have.

　　③　倍數+the+名詞+of: 常見名詞有size, height, length, depth, age, width, weight等

　　Eg: China is almost five times the size of Mexico in area.

　　編輯推薦：

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