Allo-isomerism
[醫] 立體異構[現象]
?? 詞語組成解析
a. 緊密相聯的；[化]同分異構的
n. 異性\\n[化] 異構; 異構現象
??? 情景例句
How much do you need?
你需要多少錢？
How long will you remain in the United States?
你將會在美國逗留多久？
He earned enormous sums of money and was paid as much as
100 for a single appearance.