Hetron
防火聚酯树脂
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
My hobby is collecting stamps.
我的嗜好是收集邮票。
She is a strong swimmer and many people feel that she is sure to succeed.
她是一个游泳能手，很多人认为她一定能成功。