Pentinic acid
[化] 喷亭酸; α-乙基季酮酸
🧩 词语组成解析
🗣️ 情景例句
and sometimes there isn't.
有时候没有。
Believe not all that you see nor half what you hear.
眼见的不能全信，耳闻的也不能半信。
That is scheduled for shipment the day after tomorrow.
预定后天就可装船了。