dollar sign

dollar sign的音标是[ˈdɒlərs ˈsaɪk]，基本翻译为“美元符号”，速记技巧为：美元符号可以简写为$。

dollar sign的英文词源是拉丁语，表示“银币”或“金币”。它最初是由罗马数字和阿拉伯数字组合而成的，用来表示美元的符号。随着时间的推移，dollar sign逐渐演变成一个独立的英语单词，并被广泛使用。

变化形式：复数形式为dollars。

相关单词：

1. balance sheet资产负债表 - 来自拉丁语，意为“平衡的清单”。

2. budget预算 - 来自拉丁语，意为“预算”。

3. credit card信用卡 - 来自英语，意为“信用卡”，最初是由美国运通公司在20世纪50年代发明的。

4. dollar美元 - 来自拉丁语，意为“银币”或“金币”。

5. investment投资 - 来自法语，意为“投资”。

6. revenue收入 - 来自拉丁语，意为“收入”。

7. account账户 - 来自英语，意为“账户”，最初是由账户和会计两个词组合而成的。

8. statement报表 - 来自英语，意为“报表”，最初是由报表和统计两个词组合而成的。

9. transaction交易 - 来自拉丁语，意为“交易”。

10. bill账单 - 来自英语，意为“账单”，最初是由印刷工人为了方便而创造出来的词。

常用短语：

1. dollar sign is used to represent a monetary amount

2. the dollar sign is also used to indicate a currency unit

3. dollar sign is often used in mathematical equations

4. dollar sign is used to represent a price or cost

5. dollar sign is used in scientific notation

6. dollar sign is used to indicate a variable or parameter

7. dollar sign is also used in programming languages

例句：

1. I"m looking for a product that costs around $100.

2. The price of gasoline has increased by $2 per liter.

3. The salesperson said the price includes a $50 discount.

4. The total amount of the transaction was $3,500.

5. The equation x = 2 + 3y$ represents a quadratic equation.

6. The budget includes $50,000 for research and development expenses.

7. The program calculates the value of a variable using the dollar sign syntax.

英文小作文：

The dollar sign is a symbol that represents currency units and prices in many contexts. It is commonly used in financial transactions, scientific notation, and programming languages to represent monetary values and quantities. It is also used to indicate variables or parameters in mathematical equations and programming languages. The dollar sign plays an important role in the global economy and helps to facilitate the exchange of goods and services between individuals, businesses, and governments. Without the dollar sign, it would be difficult to compare prices, calculate costs, and make informed decisions about spending and investing. Therefore, it is essential to understand its use and importance in various contexts.