Hydroxyl
高中 Senior Highn. 氢氧根\\n[医] 羟[基], 氢氧基
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
Weeds want no sowing.
杂草不需种。
The man on the motorbike was travelling too fast.
摩托车上的人开得太快。