Dinicotinoylornithine
二煙酰鳥氨酸
??? 情景例句
There is nothing better than a hot dog in the country.
在美國沒有比熱狗更好的東西了。
Work makes the workman.
工作出工匠。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他們戴著墨鏡，穿著舊衣裳，特別小心以防別人認出他們。