Positive definite
[计] 正定的
🧩 词语组成解析
positive
['pɑzətɪv]
adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的;
n. 正面;正片;[语]原级形容词;[数]正量;
posit肯定+ive形容词后缀 → 肯定的；积极的
🗣️ 情景例句
Well, if they're not,
噢， 假如店不开的话，
He is up to his ears in debt.
他债台高筑。
Jeremy was a little disappointed by this but he did as his daughter asked.
这不免使杰里米有点扫兴，但他还是按照女儿的要求做了。