Ectogene
外因
🗣️ 情景例句
Say what?
你说什么？
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
Good. But we need some more. Uncle Wang is coming to supper.
好的。但我还要更多点。王伯伯今天来吃晚饭。