Norbornene
[化] 降冰片烯
🗣️ 情景例句
Not Grandpa.
爷爷不是这种人。
Hello, This is operator.
喂！我是接线员。
Below, the captain realized to his horror that the Titanic was sinking rapidly,
在下面，船长惊恐的地发现“泰坦尼克”号正在急速下沉，