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
Did you go to Michigan too, Grandpa?
爷爷，你也上Michigan吗？
Did you go running this morning?
你今早去跑步了吗？
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。