Autocoupling
自动偶合(作用)
🗣️ 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。
Idleness rusts the mind.
懒惰使人的头脑迟钝。
You must cut off one pound of flesh, no more, no less. And not one drop of blood must fall.
你必须割下整一磅肉，不准多也不准少。而且不准流一滴血。