If you travel to Estonia with a device that does not accept 230 Volts at 50 Hertz, you will need a voltage converter.是什么意思_If you travel to Estonia with a device that does not accept 230 Volts at 50 Hertz, you will need a voltage converter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句