位码的英文：
bit code

bit是什么意思：
n. 一点；少量；钻头
v. 约束；给（马）上嚼口

Little by little and Bit by Bit
积少成多,积沙成塔

The collective wealth has been accumulated bit by bit.
集体的家业是一点一滴地积攒起来的。

A rabid dog bit him.
他被一只疯狗咬了。

She's a bit of a mystery!
她这人有点来历不明！

a bit of; a scrap of; a stitch of
一点点

code是什么意思：
n. 代号，代码；规则，规范；礼教习俗；法典，法规
v. 为...编码

Can you break the code?
你能破解这个密码么？

The histone code will not be easy to crack.
组织蛋白的密码不是那麽容易破解的。

Every order is coded separately.
每份订单都单独编号。

You must abide the highway code.
你必须遵守公路法规。

The access code is invalid.
访问码无效。