Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com
patterned advance
n.
a series with a definite pattern of advance
同义词:
progression
网络释义
短语
专业释义
英英释义
patterned advance
n.a series with a definite pattern of advance 同义词:progression
英汉双解大词典