Retinaldehyde
视黄醛
🗣️ 情景例句
I'll do it.
我去。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
our confidence in the curative properties of the bottle of medicine remains the same as theirs.
我们对瓶装药品疗效的信心仍与祖辈一样坚定。