额外

买了一套房子，他还买了许多额外的家具。

mǎi le yī shùn fáng zǐ, tā hái mǎi le xǔ duō éwài de jī qì.

He bought a house and also many additional furniture.

课程里包括了额外的学习材料。

kè chéng lǐ kuān bāo le éwài de xué xí cái liào.

The course includes additional study materials.