Positive vector
[计] 正向量
🧩 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
I certainly am. May I help you?
我是，我能帮您什么忙吗？
I get up before six o'clock every day.
每天我六点前起床。
We also make the fundamental error of announcing our resolutions to everybody so that we look even more foolish when we slip back into our bad old ways.
我们还犯有一个根本性的错误，即把我们的决心向大家宣布。