Heumann indigo synthesis
[化] 霍伊曼靛合成法
🧩 词语组成解析
[人名] 休曼
indigo
['indigəu]
n. 靛蓝，靛蓝染料;靛蓝色;[植]槐蓝属植物;
adj. 靛蓝色的;
🗣️ 情景例句
I need to confirm my reservation.
我要确认我的预定。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
nor that the headline in the newspaper would be
也没有想到报纸的头条是