Topoisomer
[醫]拓撲異構體
??? 情景例句
He's still not used to life in the city.
他仍然沒有適應城市生活。
How did you go?
你怎么走？
for the descriptions given by people who claimed to have seen the puma were extraordinarily similar.
因為凡是聲稱見到過美洲獅的人們所描述的情況竟是出奇地相似。