Poly(calcium acrylate)
[化] 聚丙烯酸钙
🗣️ 情景例句
He turned over his company to his son last year.
去年他把公司交给儿子管理。
Practice makes perfect.
熟能生巧。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。