Malamide
苹果酰胺
🗣️ 情景例句
Hi, Dad. Am I interrupting you?
嗨，爸爸。我打搅了你吗？
How much is it to rent an economy car?
租一辆经济车要多少钱？
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，