Retinaldehyde
视黄醛
🗣️ 情景例句
And she's shy with new people, just like he is.
她见了生人就害羞 ，与他一样。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
That might be quite expensive.
那花钱可就多啦。