mass

大批量的，大规模的

【例】Division of labour is most often applied to mass production systems, where it is one of the basic organizing principles of the assembly line.

大规模生产体系经常用到分工，在大规模生产体系中分工是装配线的基本组织原则之一。

massive

大量的，巨大的

【例】In less than a decade from 1973, official oil prices rose 13-fold and brought about a massive transfer of wealth from the Western consumer countries to the exporter states.

从1973年起不到10年，官方石油价格上涨了13倍，使得西方消费国的大量财富转移到石油出口国。

master

【1】（商船的）船长

下例是一提单的条款：

【例】In witness whereof the master or agent of the said ship has signed TWO Bills of Lading, all of this tenor and date, one of which being accomplished, the other shall stand void.

为证明以上各节，上述船长或其代理人已签署本提单一式二份（内容和日期相同），其中一份完成提货手续后，其他一份作废。

【2】掌握

【例】We shall do our best to enable your technical personnel to master the technical know-how of the contracted product.

我们将设法使你方技术人员掌握合同产品的专有技术。