learning is rowing uostream:not to advance isto drop

learning is rowing uostream:not to advance isto drop learning is like rowing upstream:not to advance isto dropback. Learning is like rowing upstream,not to advance is to drop back.的中文意思是什么? Learning is like rowing upstream:not to advance is to drop back 中文是什么意思啊 谁能帮帮我 Is Amy rowing a boat?Yes,she is. 英语翻译Judo is more dangerous than hockey.Hockey is morte exciting than rowing.Rowing is more tiring than judo. Rowing a boat at the lake is wonderful 句型转换 He is learning swim Learning is to stand Is learning Japanese difficult? That boy is s() in learning English.Don't be so u() to the poor .首字母填空 Are u learning Chinese in SH too?Is there anyone learning Chinese in SH?Can u recommend one good Mandarin School to me?I am going to have a mandarin class with Chinese culture study together.Ann I prefer rowing.(改为同义句）I（）rowing （） My favorite sport is soccer(同上) I（）soccer（） it is no fun rowing a boatrowing a boat 在句中作什么成分? Learning is not my dream. learning,she,is,chinese,school, ( ) without learning is better than learning ( ) experience.并且翻译一下 Learning Enlish is not difficult.对Learning English提问