+ plus
- minus
multiplied by ;times
divided by
= equals
approximately equals
not equal to
less than
greater than
equal to or less than
equal to or greater than
round brackets ;parentheses
square brackets
{ }braces
is a member of the set
is a subset of
∽ similar to
≌ congruent to
denotes an operation
therefore
∵ because
∶ ratio sign, divided by
用微笑面对失败
青春随想
雨中的友谊
青春的心
学会付出学会善待
国际英语资讯:Feature: Homemade bread aroma floats over Istanbul amid COVID-19
青春随想
国内英语资讯:World Food Program launches global humanitarian hub in China to aid epidemic fight
体坛英语资讯:Brazil orders Rio, Sao Paulo to stage matches without fans
雨夜橙光
善待他人
新冠封锁期间,太阳能技术有了3个重大突破
体坛英语资讯:Bundesliga facing biggest crisis in history, says Watzke
体坛英语资讯:AFCON qualifier between South Sudan, Uganda canceled over coronavirus fears
国际英语资讯:Serbia honors Chinese COVID-19 experts with military medals
学会善待他人
国内英语资讯:No asymptomatic cases turn into confirmed cases after Wuhan lifts lockdown
雨的诉说
做一个善于合作的人
学会善待他人
笑对失败
雨夜
一个和我合作愉快的人
一把雨伞一片真情
合作
青春随想
笑对失败
国内英语资讯:E-commerce still a propeller of Chinas poverty alleviation amid COVID-19
合作
要学会善待别人
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