1 sentence

1. 想一想在频率之间切换时从收音机听到的静电。

   xiǎng yi xiǎng zài pín​lǜ zhī​jiān qiē​huàn shí cóng shōu​yīn​jī tīng dào de jìng​diàn.

   Think of the static you hear from a radio when switching between frequencies.

   Source: CCMatrix