Acetylacetle ester
[機] 乙酰醋酸酯
?? 詞語組成解析
n. 酯\\n[化] 酯
??? 情景例句
I know I should,
我知道應該這樣，
Don't halloo till you are out of the wood.
沒有脫離危險不要先歡呼。
She might have had an accident.
可能出事了。