Polyacetylene
聚乙炔
🗣️ 情景例句
I'm with you on that matter.
关于那件事我赞成你。
He admitted that he was wrong.
他承认自己错了。
Well, I think at the beginning we'd rather have some fairly quiet and peaceful music.
好，我想，开始时，我们宁可听些柔和舒缓的音乐。