realized niche

• 实际生态位； 实际龛

realized niche的用法和样例：

例句

1. This is a stupa niche from the Sui Dynasty.
   你看这是隋代的塔龛。
2. The comb's teeth appearance of niche inside cavity.Contrast agent leaked into the mediastinum because of the acute esophageal rupture.
   腔内龛造影剂灌注后呈梳齿状影像为急性食管炎破裂造影剂漏入纵隔内。