Epoxythio-
[化] 环氧硫; 桥氧硫
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
City born and city bred.
我生在城市，长在城市，