Hydroxyl
高中 Senior Highn. 氢氧根\\n[医] 羟[基], 氢氧基
🗣️ 情景例句
I'm sorry I'll have to pass.
很遗憾我得错过这回了。
To carry dirt
清理垃圾
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？