纸飞机在空中平稳地滑翔。

The paper airplane ___glided smoothly through the air.

老鹰乘着上升气流在空中滑翔。

The eagle ___glided effortlessly on the rising air currents.

秋天渐渐过渡到冬天，树叶的颜色也随之慢慢变化。

The season ___glided from autumn to winter, with the leaves changing colors gradually.