肉眼

Bacteria are invisible to the naked eye.

肉眼看不。

Many stars overhead are invisible to the naked eye.

天上许多星星肉眼看不到。

Extragalactic nebula is invisible to the naked eye.

我们用肉眼看不到河外星系。

Macroscopic algae, commonly referred to as macroalgae or seaweeds, are large plant like structures commonly found in coastal waters worldwide.

肉眼可海藻通常大海藻和海草，世界各地海岸水域常大型植物。

Risk factors associated with HS bronchopneumonitis were oral–labial lesions, HS in the throat, and macroscopic bronchial lesions seen during bronchoscopy.

危险因素有口腔、唇部破损，咽喉部HS，气管镜下肉眼可气管破损。