Phthalidene-
[化] 2-苯并[c]呋喃酮亚基
🧩 词语组成解析
2-苯并[C]呋喃酮基
🗣️ 情景例句
How much does a return ticket cost?
返程票多少钱？
Express your ideas clearly to me.
把你的构想向我说清楚。
you're likely to get five different answers, --
你很可能得到5种不同的答复，