across 完整說明1.用作介詞或副詞,注意以下用法：(1) 表示動態意義, 意為“橫過”、“到……的另一邊”.如： I can swim across the river in 10 minutes.我可以在十分鐘之內遊過河去. (介詞用法) Can you swim across? 你能游過去嗎? (副詞用法)(2) 表示靜態意義,意為“在……的另一邊”.如：My house is just across the street.我家就在街道對面.(介詞用法)We leave Dover at ten and we should be across in Franceby midnight. (副詞用法)
有可與介詞from 連用,表示“從……的另一邊”.如：He shouted to me from across the room.他從房間的另一邊向我喊.(3) 表示“交叉”(介詞用法) 或“從一邊到另一邊的寬度”(副詞用法).如：He sat there with his arms across his chest.他坐在那兒,兩臂交叉放在胸前.(介詞用法)The river is half a mile across. 這條河半英里寬.(副詞用法)
2. 不要將across 誤用作動詞.如： 不能說：The river is too deep and we can"t across. 可改為：The river is too deep and we can"t cross. 河水太深,我們過不了.(去掉a)
3.用於 come [run] across,意為“偶然遇見”、“意外發現”(不用於被動式).如： Where did you come across her?你在那兒碰到她的? I"ve just come across a beautiful poem in this book.我在這本書裡偶然發現一首優美的詩.
across 完整說明1.用作介詞或副詞,注意以下用法：(1) 表示動態意義, 意為“橫過”、“到……的另一邊”.如： I can swim across the river in 10 minutes.我可以在十分鐘之內遊過河去. (介詞用法) Can you swim across? 你能游過去嗎? (副詞用法)(2) 表示靜態意義,意為“在……的另一邊”.如：My house is just across the street.我家就在街道對面.(介詞用法)We leave Dover at ten and we should be across in Franceby midnight. (副詞用法)
有可與介詞from 連用,表示“從……的另一邊”.如：He shouted to me from across the room.他從房間的另一邊向我喊.(3) 表示“交叉”(介詞用法) 或“從一邊到另一邊的寬度”(副詞用法).如：He sat there with his arms across his chest.他坐在那兒,兩臂交叉放在胸前.(介詞用法)The river is half a mile across. 這條河半英里寬.(副詞用法)
2. 不要將across 誤用作動詞.如： 不能說：The river is too deep and we can"t across. 可改為：The river is too deep and we can"t cross. 河水太深,我們過不了.(去掉a)
3.用於 come [run] across,意為“偶然遇見”、“意外發現”(不用於被動式).如： Where did you come across her?你在那兒碰到她的? I"ve just come across a beautiful poem in this book.我在這本書裡偶然發現一首優美的詩.