During a second trip to the USA in 1912.

在1912年第二次赴美期间。

Because the equipment for adding sound to films had not yet been developed.

因为给电影配音的设备还没有研制出来。

There's no need for that. We'll have dinner another time.

不必为那件事惭愧。我们改个时间再共进晚餐吧。

I'm thinking of buying some next Sunday.

我打算下星期天去买几条。

He made the first telephone.

他发明了第一部电话。

We want the same rights as the white people in the city.

我们要求享有与本市白人平等的权利。