Hydrafil
氢氧化铝
🗣️ 情景例句
You never know what you can do till you try.
除非尝试，否则你永远都不知道你有何价值。
I've got to get this shirt washed and ironed.
我得把这件衬衫洗熨一下。
Who was second? Who was third?
谁是第二？谁是第三？