Retrosynthetic analysis
[化] 逆合成分析
🧩 词语组成解析
🗣️ 情景例句
That's what I thought.
我也正这样想。
Custom makes all things easy.
若照习惯办，万事皆不难。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。