interpolate

1. V-T If you interpolate a comment into a conversation or some words into a piece of writing, you put it in as an addition. 插入; 补充[正式]

He started humming a tune, then interpolated the odd word as though having difficulty remembering. 他开始哼起一个曲调，尽管记得不太清楚，他又插入了几个词。

These odd assertions were interpolated into the manuscript some time after 1400. 这些零散的断言是1400年后被补充进手稿里的。

2. V-T/V-I To interpolate means to estimate the value of a function between two known values. 插值[技术]