官方

guān fāng government; official (approved or issued by an authority)

网址

wǎng zhǐ website; web address; URL

：cc55net 火狐

Huǒ hú Firefox (web browser)

huǒ hú Firefox (web browser)

体育

tǐ yù sports; physical education

app（ 中国

Zhōng guó China

） 有限公司

yǒu xiàn gōng sī limited company; corporation