Retinaldehyde
视黄醛
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
Would you tell Mr. Green that I called?
你能告诉格林先生我给他打了个电话吗？
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。