Phthalidylidene
[化] 苯并[c]呋喃酮亚基
🗣️ 情景例句
the cities, the special places, and the people.
一些城市，一些特别的地方以及人们的摄影选辑。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？