Block tridiagonal matrix
[化] 块三对角矩阵
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
Why don't you get dressed now?Put on your work clothes.
为什么你不现在穿好衣服?穿上你的工作服。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。