Guard machine
[计] 备用机
🧩 词语组成解析
guard
[ɡɑrd]
n. 警卫;狱吏，看守;护卫队;防护装置;
vt. 保卫，守护;看守;加防护装置;谨慎使用;
vi. 警惕;警卫;
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
The mailman is delivering letters.
邮差在发信。
When you return to the office the following morning or after the holiday, you can listen to the messages and take any necessary action.
当你第二天早晨或体假后回到办公室，你可以听那些留言，然后采取必要的行动。