Polyfoam
泡沫塑料
🗣️ 情景例句
She was hired on the spot by the company.
她当场就被那家公司雇用了。
Can I cancel this ticket?
我可以取消这张票吗？
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。