Acetacetic ether
[建] 乙酰醋酸乙酯
?? 詞語組成解析
ether
['i:θ?]
n. <化>醚;the ether 蒼穹;蒼天;太空;
??? 情景例句
Ask him to stop by for a talk.
讓他過來坐坐，聊聊天。
An empty bag cannot stand upright.
空袋不能直立。
That was really unsettling,
這真叫人不好意思，