刺眼的车灯让他不由得眯起了眼睛。

The blinding headlights made him ___squint his eyes tightly.

当雷声响起时，小男孩害怕地缩了缩身子。

The little boy ___flinched when he heard the thunder.

古代建筑师们在方形基座的四个角落建造了小型拱形结构来支撑圆形穹顶。

Ancient builders constructed ___squinches at each corner of the square base to support the circular dome.