英语单词:atavism

中文含义: 返祖现象,胚胎发育中出现的古老特征

英语词性: noun

美式发音: /ˈætəˌvɪzəm/

同义词: reversion, throwback, regression

易混淆单词: atypical, autism, altruism

双语例句:

1. The appearance of gills on the human fetus is an example of atavism.

人类胎儿出现鳃是典型的返祖现象。

2. The sudden appearance of a tail on the cat was an atavism that surprised its owners.

猫咪身上突然长出尾巴是个返祖现象,让主人们大吃一惊。

3. The atavism of the bird’s beak resembled that of its ancient ancestor.

这只小鸟喙的返祖特征与古代祖先的类似。