Thiochromone
[化] 1,4-苯并噻喃酮
🗣️ 情景例句
Seven letters ... two words ...
七个字母……两个字……
The post office is two blocks straight ahead, You can't miss it.
那邮局一直向前走过两条街，很好找。
The weather gets warmer, and the days get longer.
天气渐暖，白天渐渐变长。