Indocarbon
靛炭(一种硫化染料)
🗣️ 情景例句
a group of caring Riverdale citizens gathered
一群热心公益的Riverdale居民聚集在一起
If wishes were horses,beggars might ride.
愿望若是马，乞丐也可乘；愿望难成事实。
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。