Polyster
聚酯，聚脂纤维
🗣️ 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
No, look, it says Closed. It's not open this morning.
不对，看！写着“关门”的，今天早上不开。