英文标点符号怎么说?一大波标点来袭，快和小编继续来学习吧!
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%: percent 百分之……
“10%”读作：ten percent
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‰ : per mill ; per thousand 千分之……
“10‰”读作：ten per thousand
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∞: infinity 无限大号
“-∞” 读作：negative infinity
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∝: varies as 与...成比例
“X∝Y”读作：X varies as Y
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√￣: square root 平方根
“√￣16=4”读作：The square root of sixteen is four.
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3√￣: cube root 立方根
“3√￣27=3”读作：The cube root of 27 is 3.
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∵: since; because 因为
“∵1+1=2”读作：because one plus one equals two
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∴: hence; therefore 所以
“∴1<2”读作：hence one is less than two
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∠: angle 角
“∠A”读作：angle A
“∠A +∠B+∠C=180°”
读作：The measure of angle A plus angle B plus angle C equals 180 degrees.
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⌒: semicircle 半圆
“⌒AB”读作：semicircle AB
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⊙: circle 圆
“⊙A”读作：circle A
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○: circumference 圆周
“○=π×d”读作：Pi multiplied by d equals circumference.
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π: pi constant 圆周率
“π×d”读作：pi multiplied by d
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△: triangle 三角形
“△ABC”读作：triangle ABC
What is the area of triangle ABC? 求三角形ABC的面积。
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⊥: perpendicular to 垂直于
“A⊥B”读作：A is perpendicular to B.
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