Index method
[经] 指数法
🧩 词语组成解析
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
She said she'll call back?
她说过她会打电话回来？
In shifts
轮流
However, it was his turn to be surprised,
没料到这回该轮到他自己吃惊了。