èr hé liǎng de qū bié
“二”和“两”的区别
The difference between “èr” and “liǎng”
1. shù xué lǐ de shù zì zhǐ néng yòng “èr”.
1. 数学里的数字只能用“二”。
1. Numbers in mathematics can only use “èr”.
zhěng shù : yī , èr , sān…
整数：一、二、三…
Integers: one, two, three…
fēn shù : èr fēn zhī yī , sān fēn zhī èr
分数：二分之一、三分之二
Fractions: one-half, two-thirds
xiǎo shù : yì diǎn èr , èr diǎn bā
小数：1.2、2.8
Decimals: 1.2, 2.8
陈述句是一种叙事、描写、说明、议论性的句子，它给听话人或读者以信息，一般应包括新的信息。在非对话中，陈述句出现的数量最多。在对话中，当一个人连续说一段话时，也可以有陈述句。陈述句又可以分为几类，我们称作语体。主要有叙述体、描写体、说明体、论说体。
Declarative sentence is a narrative, descriptive, explanatory, and argumentative sentence, which is intended for listeners or readers. In terms of information, it should generally include new information. In non-dialogue, the declarative sentence appears the most many. In a dialogue, when a person speaks a paragraph continuously, there can also be declarative sentences. Declarative sentences can be divided into several categories, which we call styles. There are mainly narrative, descriptive, explanatory and argumentative.