inexpensive

不昂贵的，廉价的

【例】The demand for inexpensive cassette tape recorders is low.

对廉价的盒式录音机的需求不高。

inferior

（质量、价值）劣的，次的

①【例】We claim for shortage in weight and inferior quality on the consignment of wheat shipped per s.s. “Princess Victoria”.

维多利亚公主号轮装运的小麦短重且质量低劣，我方对此提出索赔。

②用作表语表示“比某物低劣”时，可接用to sth。

【例】We regret to inform you that we are not satisfied with the quality of the goods which is inferior to that promised by you.

很抱歉，我们对货物的质量并不满意，这种质量较你方应允的低劣。

infest

（害虫等）侵扰

①接用with。

【例】The rice grains, although crystalline white, were infested with live white worm sand rice bugs.

米粒虽洁白透明，但却有大量活的白色蠕虫和米虫。

②过去分词用作定语。

【例】When the bags were opened for checking purposes, a number of bags were found to contain infested rice unfit for human consumption.

当打开米袋进行检查时，许多袋中发现有不适于人食用的有虫子的大米。