Copolyether
共聚多醚
🗣️ 情景例句
through Mr. Marchetta
透过Marchetta先生的帮助
If you do have the sincerity to do business with us, please show me your cards and put them on the table.
如果您确有诚意与我们做生意，请摊牌吧。
I decline!
我拒绝！