Gattermann-koch reaction
[化] 加特曼-科赫反应(一种甲酰化法)
🧩 词语组成解析
n. 科赫（人名）
🗣️ 情景例句
When I first graduated from college.
那时我刚从大学毕业。
Excuse me for a moment.
失陪一会儿。
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。