Indocarbon
靛炭(一种硫化染料)
🗣️ 情景例句
I take after my mother's family.
我像我母亲家的人。
Sorry, it's broken. You have to use the stairs.
对不起，它坏了，你只能走楼梯了。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。