英语词汇pah polycyclic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	pah polycyclic
释义	pah — 咅 pah!— 呸
随便看	backward compatible with backward control backward countries backward country backward curved backward curved blades backward development backward direction backward driving backward explicit congestion notification backward explicit congestion notification backward-facing backward facing step backward flow backward horizontal backward induction backwarding backward integrated backward integration backward in time backward linkage backward looking backwardly backwardly compatible backward manner

pah —