Poly(ethylene terephthalate)
[化] 聚对苯二甲酸乙二酯
🗣️ 情景例句
How does she get by on such a small salary?
她靠那么一点薪水怎么过生活？
Can you tell one from the other?
你能区别哪个是哪个吗？
Nice to meet you too! What class are you in?
我也很高兴。你是哪班的？