L-NNA delayed colonic transit compared with saline and prevented the accelerative effect of CES with trains of short pulses on colonic transit. 3.是什么意思_L-NNA delayed colonic transit compared with saline and prevented the accelerative effect of CES with trains of short pulses on colonic transit. 3.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句