Polyurethanes
(polyurethane 的复数) n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
🗣️ 情景例句
Sure.
当然。
You have to study English, don't you?
你必须学英语，不是吗？
from the search for what his world contains at its inmost point.
脱离了对自己灵魂最深处世界的探索。