Cyclic sulfide
[建] 环状硫化物
🧩 词语组成解析
cyclic
['saiklik]
adj. 周期的，循环的;轮转的;
n. 硫化物\\n[化] 硫化物
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
Joy and sorrow are next-door neighbours.
是喜是忧难以分。
The English and Maths papers weren't easy enough for me.
英语和数学试题对我来说不很容易。