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本期文本
算盘是一种源自中国的古老计算工具。
The abacus is an old counting tool that started in China.
它被誉为世界上最早的“计算机”之一。
It's known as one of the earliest "computers" in the world.
算盘通过珠子的上下移动来表示数字，并进行加、减、乘、除等数学运算。
It uses beads that move up and down to show numbers and do math like addition, subtraction, multiplication, and division.
算盘由框架、横梁、上珠、下珠和算杆组成。
An abacus consists of a frame, a cross beam, upper beads, lower beads and rods.
尽管算盘如今已不常使用，但它还可引申为“谋划策略、精打细算”的含义。
Abacus can also mean planning or calculating strategies, even though the abacus isn't used much anymore.
它曾极大地帮助了人们，
It helped people a lot.
助力了商业发展，是中华民族的宝贵财富。
It grew business and is a precious treasure of the Chinese people.