Kronitex
磷酸三甲苯(基)酯
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
When did you take the examination?
你什么时候去参加考试？
No sweater?
没穿毛衣？