Matroid
矩阵胚, 拟阵
🗣️ 情景例句
The firm repaid her hard work with a bonus.
公司发给她奖金以酬谢她的努力工作。
An empty hand is no lure for a hawk.
空手诱不来老鹰。
Don't worry. I can help him.
不用着急，我来帮他。