Copolyether
共聚多醚
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
He that will lie will steal.
说谎者必行窃。
Then, squinting his eyes, he said:
接着，他斜着眼，说：