Phase reversal
[电] 反相
🧩 词语组成解析
reversal
[ri'və:səl]
n. 倒转，颠倒;反复;逆转，反转;[法]撤消;
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
You're very stingy.
你也太小气了！
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。