名词
中文翻译：非返回指
同义词：
['non-return device', 'non-return switch例句：1. The non-return finger is used to prevent the user from pressing the button again.（非返回指用于防止用户再次按下按钮。）2. The non-return finger is a safety feature on some keyboards that prevents accidental key presses.（某些键盘上的非返回指是一种安全功能，防止意外按键。）']
例句：
-
1. The non-return finger is used to prevent the user from pressing the button again.
非返回指用于防止用户再次按下按钮。
-
2. The non-return finger is a safety feature on some keyboards that prevents accidental key presses.
某些键盘上的非返回指是一种安全功能，防止意外按键。
-
3. In this case, the non-return finger was designed to ensure that the user could not accidentally press the wrong button.
在这种情况下，非返回指的设计是为了确保用户不会不小心按错按钮。