Delrin
迭尔林(聚甲醛树酯)
🗣️ 情景例句
How much do you need?
你需要多少钱？
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
You 're lovelier than your pictures .
你比你的照片可爱多了。