glider

滑翔机借助上升气流在空中优雅地盘旋。

The ___glider circled gracefully in the sky, riding the updrafts.

老人在花园里的摇椅上悠闲地前后摇晃。

The old man rocked gently back and forth in the garden ___glider.

特种部队乘坐滑翔机悄无声息地降落在敌后。

The special forces silently landed behind enemy lines in a ___glider.