Seradix
吲哚丁酸
🗣️ 情景例句
But I need some information.
但我需要一些资料。
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
Excuse me.Where's the nearest bus stop, please?
请问，最近的公共汽车站在哪儿？