?平行径
... 平行径 parallel alley 大胆行径 bold act 极端行径 extreme action ...
Had the two arms of the study not been carried out in parallel, future researchers might have travelled up an expensive and time-consuming blind alley.
ECONOMIST: AIDS
英汉双解词典包含3185865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。