Power frequency
[电] 电力频率
🧩 词语组成解析
power
['paʊɚ]
n. [机]动力，功率;力量;政权，权力;强国，大国;
vt. 运转;用发动机发动;使…有力量;
vi. 靠动力行进;快速行进;
adj. 权力的;机械能的，电动的;用电力（或动力）发动的;
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
🗣️ 情景例句
Is he still in his office?
他还在办公室吗？
She is an honor to our school.
她是我校的光荣。
I'm afraid we're going to be in Shanghai that day. I hope you all have a good time.
恐怕到那天我们将在上海了。我祝你们玩得痛快。