zài / wú / xiàn / diàn / kè / shàng / lǎo / shī / jiāo / wǒ / men / rú / hé / shí / bié / mó / sī / mì / mǎ

在无线电课上，老师教我们如何识别摩斯密码。

In radio class, the teacher taught us how to recognize Morse code.