This is because for most of the history of writing with pen and ink, a pen was manufactured from a long, large feather.

因为在历史上很长一段时间里，人们都用一根又长又大的羽毛沾着墨水写字，这种“笔”叫做pen。

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His 1939 patent for color TV receiver circuitry was extended until 1971 because for most of the patent 's normal life there was no colour TV to receive and thus no hope of reward for the invention.

他于1939年获准的彩电接收机线路的专利一直延续到1971年，因为在当时这项专利期内没有彩色电视节目可以接收，因此专利无望被采用。

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These days, because leisure time is relatively scarce for most workers, people use their free time to counterbalance the intellectual and emotional demands of their jobs.

如今，由于休闲时间对大多数工人来说都相对较少，人们通常利用空闲时间来平衡工作中智力及情感上的需要。

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And forty percent thought they should get a B, the second highest mark, just because they did most of the reading for class.

VOA: special.2009.03.12

Your plant is going to blow up, because the ideal gas law works only in very small range of pressures and temperatures for most gases.

理想气体定律,只在一个很小的压强,与温度的范围内适用。

麻省理工公开课 - 热力学与动力学课程节选

It's a very complicated situation because the kind of economic risks that we face are difficult for most people to understand.

一个很复杂的情况是,我们所面临的经济风险,很难被大众完全理解。

耶鲁公开课 - 金融市场课程节选

U. because of terminal illness is for most people a kind of failure.

NEWYORKER: Letting Go

If that is so, it is partly because for most Sri Lankans most of the time, the war itself is an abstraction.

ECONOMIST: Sri Lanka wants peace, perhaps | The

According to the Alliance For A Stronger FDA, an advocacy group, that poses a particular problem for the FDA because most of its money goes to paying scientists, inspectors, and other employees.

FORBES: What The Fiscal Cliff Could Mean For The FDA