Eurobin
柯桠素三乙酸酯
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Help yourself, please.
请自己用。
I'm free on Thursday. I'd love to come.
我星期四有空。我很乐意来。