Paral
[医][=paraldehyde]三聚乙醛
🗣️ 情景例句
Well, it's hard work.
嗯 这种工作很辛苦。
Between the cup and the lip a morsel may slip.
功亏一篑。
It is hard for energetic, quick-minded people to waste time,
他们常常受到责备，精力充沛、头脑敏捷的人极不愿意浪费时间，