Tridiagonal matrix
[化] 三对角矩阵
🧩 词语组成解析
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
The packing must be strong enough to withstand rough handing.
包装必须很坚固，能承受野蛮装卸。
Nevertheless,I managed to creep down into the living room for two days before anyone found me out.
不过开头两天我还是成功地蹑手蹑脚地来到楼下起居室，被谁也没发现。