Phosphodihydroxyacetone
磷酸二羟丙酮
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
What time does the train for Boston leaves?
去波士顿的火车几点开？
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。