parallel mutation平行: of equal rank; on an equal f ...突变: sudden change; change sudden ...逆行突变: retrogressive mutation具有平行突码头: harbor with parallel jetties强行突破: smash下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:平行突变,即可在微信中查询翻译