Matroid
矩阵胚, 拟阵
🗣️ 情景例句
I'll give them your regards.
我会向他们转达你的问候。
I'm Clifton, and I've been associated with this project since the beginning.
我叫克里夫敦，从一开始我就参与了这项计划。
I shook my head and held up five fingers indicating that I was willing to pay $5.
我摇摇头，伸出5根手指表示我只愿出5镑钱。