left arrow

基本解釋

Press the left arrow button to close the window and go back.
按下左箭頭按鈕，將關閉此窗口，并返回。
Beside mouse's scroll wheel, you can also use the Left Arrow and Right Arrow keys to move through the stack of windows.
旁邊鼠標的滾輪，你也可以使用左箭頭和右箭頭鍵移動通過堆棧窗口。
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To move the insertion point to the next or previous field after you press the RIGHT or LEFT ARROW key , click Next field.
若要在按向右鍵或向左鍵后，使插入點移到下一個或上一個字段，請單擊“下一個字段”。

So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.
一會兒你走到前面，敲一下空格鍵,當屏幕上面的東西從左邊往下掉的時候,你就敲一下鍵盤上的左鍵,是哪個方向，敲對應的方向鍵就可以了,我們來看看你能得多少分。
哈佛公開課 - 計算機科學課程節(jié)選

Below it, you'll see a physical home button flanked by a menu key on the left and back arrow on the right.
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After submitting a search query, users will find a small blue navigation arrow to the left of each result.
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It also takes note of whether the bus' turn signal is on and can prepare a green turn arrow if the bus needs to head left or right.
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