Urethanes
聚氨酯橡胶
🗣️ 情景例句
Genetically modified foods and green foods are different.
经基因改良的食物与绿色食物是不同的。
Words cut (or hurt) more than swords.
言语比刀剑伤人更厉害。
Which is your favourite month?
你最喜欢哪个月份？