Butyl-acetoacetate
[機] 乙酰醋酸丁酯
?? 詞語組成解析
n. 丁基\\n[醫] 丁基
乙酰乙酸
??? 情景例句
How are you doing?
你怎么樣？
How long have you studied English?
你學英語多久了？
She's not feeling well. I told her to stay in bed till tomorrow.
她感覺不好。我叫她在床上躺著，一直到明天。