Positive valency
[化] 正价
🧩 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
[化] 化合价\\n[医] 效价; 价(化合价,原子价)
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
He is something.
他是重要人物。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。