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
And then branched out into other sports products.
然后逐渐扩展出其他的运动产品。
Which one is heavier?
哪一个是较重的？
That's all right. Why don't you call me Robert or Bob? But please don't call me Mr. Bob.
没关系。你为什么不叫我罗伯特或鲍勃？但请不要叫我鲍勃先生。