Polynorbornene
[化] 聚降冰片烯
🗣️ 情景例句
Oh. Thank you, Molly.
噢，谢谢， Molly。
Please speak slowly, so I can understand you.
请慢慢地说，那样我就能听得懂你说的话了。
The book you ask for is sold out.
你要的那本书已经售完了。