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
Let's lake this one step at a time.
做这事我们要一步一步来。
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
After watching the red-dressed women walk by, I went to the rooftop and watched workers weave wastebaskets.
看那群红衣女郎走过，我爬上屋顶看工人们编垃圾筐。