Polyurethanes
(polyurethane 的复数) n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
🗣️ 情景例句
Is that tall or average or what?
这样尺寸是高呢， 还是普通， 或者算怎样？
In regard to your request, no decision has been made.
关于你的请求还没有做出决定。
When she reached home, her mother asked:Have you got everything?
“你东西买齐了吗？”