The level of the ECL and the PHA-L receptors were higher at the estrus than at diestrus. ECL and PHA-L receptors maintained a lower level at day 4 and 5 of pregnancy than those at the diestrus.是什么意思_The level of the ECL and the PHA-L receptors were higher at the estrus than at diestrus. ECL and PHA-L receptors maintained a lower level at day 4 and 5 of pregnancy than those at the diestrus.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句