Nonadecene diacid
[化] 十九碳烯二酸
🧩 词语组成解析
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
Dr. Lee's office.
李医生诊所。
Would you please pass the salt?
请您递给我盐。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。