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
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
Faults are thick where love is thin.
一朝情意淡，样样不顺眼。
The mother sat the child at a little table.
母亲安排孩子坐到小桌旁。