Matroid
矩阵胚, 拟阵
🗣️ 情景例句
It's a great opportunity for you, Harry.
这对你是个大好机会， Harry。
No, I heard she's married with two kids.
不，我听说她已使君有夫，还有两个孩子。
What do the machines do? asked Jim.
“这些机器做什么用？”吉姆问。