Hydroxide
n. 氢氧化物\\n[化] 氢氧化物
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
You are darker than I am.
你比我黑。
Keep it up!
坚持下去！