Fertility index
[医] 生育指数
🧩 词语组成解析
fertility
[fə:'tiliti]
n. （土地的）肥沃;肥力;丰产;<生>繁殖力;
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
Well, perhaps,
好的， 也许，
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
Though this caused great mirth among the guests, Aunt Harriet was horrified.
这件事引起了客人们的欢笑，但哈丽特却着实吓了一跳。