Polyose
多糖
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
This offer remains open until 10th February, beyond which date the terms and prices should be negotiated anew.
此盘有效期至2月10日，超过此期限条件及价格需重新协商。
Try again.
再试试。