send back to us upon receipt 中译英

upon receipt怎么理解 payment due upon receipt upon receipt怎么翻译 send back to中back的词性 信用证里有这么一条,the shipment to be effected only upon receipt of v send sb.back to +adj.还是v. 英语翻译I was unable to send you a receipt via email until now.P LOC Upon Receipt of Pro Forma invoice upon receipt of your specific enquiry 请问这段英文什麽意思Upon receipt from the Sellers of the advice as to looking back upon 翻译下这个句子it doesn't turn its back upon us in times of adversit