2. Like high voltage transformers, heroes take the energy of higher powers and step it down so that it can be used by ordinary people. 英雄就像高压变压器一样,把更高的能量取下来,让普通人使用。
3. Like high-voltage transformers, heroes take the energy of higher powers and step it down so that it can be used by ordinary people. 英雄就像高压变压器一样,吸收高功率的能量,降低其电压,让普通人也可以使用。
4. He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow. 他有一根装着电极的管子,里面充满了氢原子。通过施加电压,他能够使气体发光。
5. This is called the knee voltage or cut-in voltage. 这被称为膝电压或插入电压。