or

US /ɔːr/
UK /ɔːr/
"or" picture
1.

或, 或者, 还是

used to link alternatives

:
Do you want tea or coffee?
你想要茶还是咖啡?
You can pay now or later.
你可以现在付钱或者稍后付。
2.

或者, 即

introducing a rephrasing or a synonym

:
The capital of France, or Paris, is a beautiful city.
法国的首都,也就是巴黎,是一座美丽的城市。
He suffers from arachnophobia, or the fear of spiders.
他患有蜘蛛恐惧症,也就是对蜘蛛的恐惧。
3.

否则, 不然

used to introduce a consequence or result if the preceding statement is not true

:
Hurry up, or you'll be late!
快点,否则你会迟到的!
Study hard, or you won't pass the exam.
努力学习,否则你将无法通过考试。