🧩 词语组成解析
乙醛
[化]一种三分子的缩合物
🗣️ 情景例句
to work out a program
想研拟一项计划
And want to share with them the pleasure and honor of receiving this award.
并与他们分享这次得奖的喜悦与荣耀。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。