Phosphodihydroxyacetone
磷酸二羟丙酮
🗣️ 情景例句
Does Richard Stewart live here?
Richard Stewart住这吗？
A stitch in time saves nine.
小洞不补，大洞吃苦。
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要紧。我认为你非常幸运了。你用过热布---冻豌豆疗法吗？