hái zi men / bǎ / gǔ pái / yí kuài kuài / lì qǐ lái / zhǔn bèi / pāi shè / tā men / yī cì / dǎo xià / de / huà miàn

孩子们把骨牌一块块立起来，准备拍摄它们依次倒下的画面。

The children stood the dominoes up one by one and prepared to film them falling in sequence.