Aphideine
蚜黄素
🗣️ 情景例句
I'd be glad to tell you what I think.
很高兴告诉你我的想法。
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。