brown stainbrowning变: become different; change防褐变: brown checking酶性褐变,酶促褐变: enzymatic browning边材褐变: fungous brown stain表面褐变: surface darkening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:褐变,即可在微信中查询翻译