Deflection polarity
[电] 偏转极性
🧩 词语组成解析
🗣️ 情景例句
to ask Dad to sign as a guarantor.
请爸爸当担保人为我签字。
Lack of knowledge is darker than night.
没有知识比黑夜还要黑。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。