英语词汇“ppm”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ppm
释义	> as lemmas ppm ppm n. parts per million. ΚΠ 1905 Bot. Gaz. 40 185 Culture 6, containing 30,000 p.p.m. manure in the Takoma soil, shows a discrepancy which was not found in Series I. 1964 Punch 25 Nov. 806/2 A peregrine found dead on Lundy Island contained 78 ppm of total chlorinated hydrocarbon in its liver. 1989 C. Caufield Multiple Exposures (1990) xix. 194 Igneous rocks have only about 0.03 parts per million (ppm) of uranium; granite has 4 ppm; bituminous shale has up to 80 ppm. extracted from Pn. < as lemmas
随便看	to work one's daylights out to work one's etc off to work one's etc out to work one's eyeballs out to work one's eyes out to work one's feat to work one's fingers off to work one's fingers to the bone to work one's full feat to work one's guts out to work one's kind to work one's magic to work one's passage to work one's socks off to work one's soul out to work one's tail off to work one's ticket to work one's way to work one's way through college to work one's way through etc to work one's way through school to work one's way through university to work one's way up to work one's will to work ones tuchus off

英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

> as lemmas