Index arithmetic unit
[电] 索引算术单位
🧩 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
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Well, you'll have to ask her.
噢， 应当问问她。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
During the journey, their boat began to sink.
途中，船开始下沉，