send back up now

send back up now 英语翻译Dear Echola,I am back from vacation now,so you can send send for和send up send sth back Send me something back! send up=?send……up back-up send up 什么意思 send back to中back的词性 send away into OR send up into send into ,send up的意思 一道英语选择题You can pay now or____you come back to pick up the bi