Polyurethanes
(polyurethane 的复数) n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
🗣️ 情景例句
I've been wanting to meet you for some time.
很久以来我一直想见你。
Many words cut (or hurt) more than swords.
恶语伤人胜刀见。
This question is too complicated for me.
这个问题对我说来太复杂了。