Spirocyclane

螺环烷(专指:螺戊烷)

🗣️ 情景例句

Yes, a pediatrician.
是的, 小儿科医师。
I would like you to buy is for me.
我要你买它送给我。
Which do you think is more interesting?
你认为哪个节目更有趣呢?
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