However, L-trp results in neither repression nor derepression in the mutant, but it can counteract the activity of CXM or IPA.是什么意思_However, L-trp results in neither repression nor derepression in the mutant, but it can counteract the activity of CXM or IPA.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句