Positional number system（）：n. - 完整释义与助记

🧩 词语组成解析

positional

a. 位置的, 地位的

number ['nʌmbɚ]

n. 数字;数量;号码;编号; v. 标号;总计;把…算作;

numer, number 表示”数字”;”计算”,”估算”

system ['sɪstəm]

n. 体系，系统;制度;身体;方法;

sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

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We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.

我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。

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