Negative substituent
[化] 阴性取代基
🧩 词语组成解析
negative
['nɛɡətɪv]
adj. 消极的，否认的;[数]负的;[心]反抗性的;无预期结果的;
n. 否定词语;否定的观点;消极性;[摄]底片;
vt. 否定;拒绝;
negat否认+ive形容词后缀 → 否认的；n. 底片
n. 取代基, 代替物\\na. 取代基的, 代替物的
🗣️ 情景例句
Do you have any tickets available for that date?
你们有那天的票吗？
Theings present are judged by things past.
欲断今日事，须知往日情。
Though the new rudder was fitted at tremendous speed, it was impossible for the Cutty Sark to win.
尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，