Nettled
v. 拿荨麻打, 拿荨麻刺（nettle的过去式与过去分词形式）
🗣️ 情景例句
I heard you cheated on your exams.
我听说你考试作弊了。
I often finish school in the afternoon.
我常常在下午放学。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。