Vanirom
3-乙氧基-4-羟基苯甲醛
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
What kind of newspapers do you read?
你读什么样的报纸？
Why, you may wonder, should spiders be our friends?
你可能会觉得奇怪， 蜘蛛怎么会是我们的朋友呢？