letter of credit的复数形式怎么拼写

The bank has made out an irrevocable letter of credit.银行开出了不可撤销的信用证[状].I'd like to draw 100 yuan against this letter of credit.我想从这份信用证上提款100元.May I draw money against the letter of credit here?我可以在这儿用这份信用证取钱 吗 ?...

letter of credit的音标：letter of credit的英式发音音标为：['letə ɔv 'kredit]letter of credit的美式发音音标为：['lɛtɚ ʌv 'krɛdɪt]...

n.（银行发行的）信用证...