Sentence + 。
The Chinese period 。(jùhào) marks the end of a complete sentence, just like a period in English. It is written as a small circle and is distinct from the Western period (.). It is used after all declarative sentences in Chinese writing.
今天天气很好。
Jīntiān tiānqì hěn hǎo.
The weather is very nice today.
我已经吃过饭了。
Wǒ yǐjīng chī guò fàn le.
I have already eaten.
她是我的好朋友。
Tā shì wǒ de hǎo péngyou.
She is my good friend.