No later than 1890, he combined his moving-picture projector with his talking machine.

不迟于1890年，他就把他的电影放映机和他的会说话的机器结合起来。

youdao

No later than 1890, he combined his moving-picture projector with his talking machine.

不迟于1890年，他就把他的电影放映机和他的会说话的机器结合起来。

youdao