background task的用法和樣例：
例句
- The property is commonly used to prevent a user from closing an application that was designed to run as a background task.
該屬性通常用于防止用戶(hù)關(guān)閉旨在作為后臺任務(wù)運行的應用程序。 - You might sometimes see messages that your user operations are blocked by the background tasks.
您有時(shí)可能會(huì )看到您的操作被后臺任務(wù)阻斷的消息。
