肉眼

Bacteria are invisible to the naked eye.

细菌是肉眼看见的。

Extragalactic nebula is invisible to the naked eye.

我们用肉眼是看外星系的。

Many stars overhead are invisible to the naked eye.

天上的许多星星是肉眼看的。

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

肉眼可见的海藻通常是大海藻和海草，是世界各地海岸水域的常见大型植物。

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、破损，咽喉HS，支气管镜下肉眼可见的支气管破损。