Polyacenaphthylene
[化] 聚苊
🗣️ 情景例句
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
Do you know where I've put my glasses?
你知道我把眼镜搁哪儿了吗？
No. Why?
不知道。怎么回事？