Ethylon
埃赛纶(聚乙烯鬃丝)
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
To catch the ball
捕球
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，