built-in button

基本解释

Calibration is easy with the built-in 3 button keypad.
校準可以很方便地內置三鍵鍵磐。
This version is infinitely better, though, because it’s a built-in keyboard button, not a separate app.
但是蘋果手機裡的這款軟件要好得多，因爲它有一個內置的鍵磐按鈕，而不再是一個獨立的軟件。
The Reset command restores the built-in toolbar button or menu command to its original image, name, and command.
“重新設置”命令可以將內置的工具欄按鈕或菜單命令恢複爲其初始圖像、名稱和命令。

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