Oxyindole
羟基吲哚
🗣️ 情景例句
Like setting up a regular weekly reading program.
譬如说开办一项每周一次的定期阅读计划。
You are smaller than I am.
你比我小。
As Fred was going in the same direction, he walked along with the tourist.
因为游客与弗雷德走的是同一个方向，他便与游客一道同行。