Masterbatch
母料
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
But it's supposed to get cloudy and windy again this afternoon.
但是，据说今天下午又要转阴刮风了。
He uses a lift to go up and down.
他乘电梯上上下下。