Polyoxybutylene
[化] 聚氧化亚丁基
🗣️ 情景例句
But I have promises to keep,
但是我有约要赴
No cross, no crown.
无苦即无乐。
Good idea! It's much better than having classes! Can I go, too?
好主意！这比上课好得多！我也可以去吗？