Polyster
聚酯，聚脂纤维
🗣️ 情景例句
It's too hard to explain.
这很难解释清楚。
She's going to be 15 next month.
下个月她就满15了。
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。