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垫整电容器
🗣️ 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。
Excuse me I couldn't come.
对不起我不能来。
In vain they rush frantically round from place to place,
他们到处狂奔乱跑，