单词：aetat

中文含义：未年：指年龄、事物的年限未到

英语词性：noun

美式发音：/eitoʊt/

同义词：young, juvenile, immature, inexperienced

易混淆单词：état (国家)

双语例句：

1. He is just at the aetat of sixteen, and he is still in high school.

他才十六岁，还在念高中。

2. The product has not yet reached its aetat and needs further development.

这个产品还没有到达它的使用年限，需要进一步开发。