选修课

duō mén xuǎn xiū kè

多门选修课

many optional courses

shè xīn lǐ xué xuǎn xiū kè

设心理学选修课

offer psychology as an elective course

yī mén yǒu guān zhōng guó lì shǐ de xuǎn xiū kè

一门有关中国历史的选修课。

an elective on Chinese history.

sì mén xuǎn xiū kè

四门选修课

four optional courses