sluggish air的意思|示意

I leant over the rail of the open-sided observation car to feel the cool of the air against my face. I let my thoughts drift, lulled by the sluggish rhythm of our progress.

我倚靠在敞篷观光车的栏杆上，感受着吹到我脸上的清冷空气，火车缓慢的行进节奏让我思绪纷飞。

They frequently bask at the surface in sluggish waters and commonly breathe atmospheric air.

常像圆木一般，浮于流动缓慢的水面晒太阳并呼吸大气中的空气。