Positive catalyzer
[医] 正催化剂
🧩 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
n. 催化剂\\n[化] 催化剂
🗣️ 情景例句
I need some good photos for my advertising, Mr. Stewart.
我做广告需要一些好照片， Stewart先生。
I'm taking Chinese and History.
我将选中文和历史。
Perhaps she understood me because she herself had always had very weak eyes.
当我回顾那些岁月时，我深深地为安妮的智慧所打动。她理解我，也许是因为她本向来视力就很弱。