+ plus 加号;正号
- minus 减号;负号
± plus or minus 正负号
× is multiplied by 乘号
÷ is divided by 除号
= is equal to 等于号
≠ is not equal to 不等于号
≡ is equivalent to 全等于号
≌ is equal to or approximately equal to 等于或约等于号
≈ is approximately equal to 约等于号
< is less than 小于号
> is more than 大于号
≮ is not less than 不小于号
≯ is not more than 不大于号
≤ is less than or equal to 小于或等于号
≥ is more than or equal to 大于或等于号
% per cent 百分之...
‰ per mill 千分之...
∞ infinity 无限大号
∝ varies as 与...成比例
√ (square) root 平方根
∵ since; because 因为
∴ hence 所以
∷ equals, as (proportion) 等于,成比例
∠ angle 角
⌒ semicircle 半圆
⊙ circle 圆
○ circumference 圆周
π pi 圆周率
△ triangle 三角形
Wanted To Know
$100 Deposit
Gets Booked, Writes a Book
Boy Starts Huge Fire
The Rude Golfer (2)
A Missing Cat
New Air
Books Don’t Grow on Trees
Kill Those Flies (2)
Millions for Homeless
Nine Tons of Trash
Jimmy Fixes His Door
A Life
Jury Service in California
Bank Robbery
Food Fight Erupted in Prison
A Festival of Books
A Murder
Popular Park Reopens
Oceanside Community
Kill Those Flies (1)
Water Under the Sink(2)
City and Crime
Man Invents Toilet for Cars
Man Injured
The Light Eater (1)
Better To Be Unlucky
Trees Are a Threat
Goats Being Hired
实用简洁的小故事,都是日常生活小故事
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