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
What's happening in Singapore recently?
近来新加坡的情况怎样？
Opportunity only knocks once.
机不可失，时不再来。
It is not just farmers who are complaining.
并不仅仅是农民在抱怨。