来自拉丁语pronus,向前弯的，向前倾的，来自pro,向前，来自PIE*per,向前，穿过，词源同ford,forth.

1. Bob slid from his chair and lay prone on the floor.

鲍勃从椅子上滑下来，趴在了地板上。

2. As they shorten, cells become more prone to disease and death.

细胞变小后就会更容易感染疾病，也更容易死亡。

3. He's prone to flit between subjects with amazing ease.

他往往会轻松自如地转换话题。

4. This leaves fertile soil unprotected and prone to erosion.

这会让肥沃的土壤暴露在外，使其容易受到侵蚀。

5. These plants are peculiarly prone to disease.

这些植物特别容易发生病变。