Racemin acid
[化] 外消旋酸; 外消旋酒石酸
🧩 词语组成解析
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
Don't give me your cold, man!
不要把你的伤风传染给我！
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。