kāi fàng yuán mǎ ruǎn jiàn
open-source software (OSS)
开
kāi
to open (transitive or intransitive)
放
fàng
to put
源
yuán
root
码
mǎ
(archaic) agate
软
ruǎn
variant of 軟|软[ruan3]
件
jiàn
item