Bicyclic sulfide
[机] 二环硫化物
🧩 词语组成解析
a. 两个轮子的, 二环的, 两圈的\\n[机] 二环的
n. 硫化物\\n[化] 硫化物
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Bad habits are easily formed.
坏习惯容易养成。
But I didn't see much during the flight because there was too much cloud.
但我在飞行途中并没有看到什么东西，因为云层很厚。