Nigrifactin
黑化菌素
🗣️ 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后，通常看半个小时的电视。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
I certainly will.
一定的。