Indocarbon
靛炭(一种硫化染料)
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
The goods we offered last week are running out, therefore, the offer terminates on 20th July.
上周我们报价的货物现已售完，所以，此报价在7月20日终止。
It usually comes in September or October.
中秋节通常在9月或10月份。