母带的英文：
n. mother tape

参考例句：

A phonograph record pressed from a master mold or matrix.
唱片从唱片模板或母带压制出来的唱片。

mother是什么意思：
n. 母亲；大娘；女修道院院长；起源
v. 像母亲般地照顾

The girl is a reflection of her mother.
那女孩长得和她母亲一模一样。

The children clustered round their mother.
孩子们聚集在母亲身边。

Mother footed the stocking.
妈妈给这袜子换了底。

The mother had a difficult delivery.
那位母亲难产。

Ignorance is the mother of suspicions
无知会多疑

tape是什么意思：
n. 带子；终点线；胶带；磁带
v. 用带子绑起，用胶布把…粘牢；录音

to breast the tape
冲过终点线

magnetic tape transport
磁带走带机构

tape transport mechanism
走带机构

Who is the first to breast the tape?
谁第一个到终点的？

We have taped the wedding ceremony.
我们已经给婚礼录了像。