l understand还是l am understand

l understand还是l am understand 面露读lù 还是lòu l come还是l am coming l-am-afraid-l-will-fall-in-love-with-you.Do-you-understand Understand that l give l am l am 碱性磷酸酶的单位是U/L还是IU/L 露水的露是读lù还是lòu只求质量露出的露是读lù还是lòu My.heart.is.very.bored.do.you.understand.me?recent.l.am.unhappy. we have no future ,only now ,are you understand so ,l am sorry · He is never late for school.用So am l 还是Neither am l l am Maria.l am from Mexico. Who am l,Where am l u/L是什么单位 L.O.U. G-L-U-E l am缩写