Indocarbon
靛炭(一种硫化染料)
🗣️ 情景例句
Your letter filled me with great vitality.
读了你的信之后我感到充满活力。
I played upstairs yesterday.
我昨天在楼上玩。
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，