标点符号的英文
考研英语:标点符号的作用。
英语符号,是指用于英文的标点符号。
标点符号的作用:
“-”叫破折号(中文的长),属于中文使用的,英文中叫“dash”
“-”,叫连接号(英文短的),属于英文专用的,叫“hyphen”
“_”是下划线,英文就是:underline
+ 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。