Hydrofluoric
a. 氢氟酸的
🗣️ 情景例句
Number 1 train to Van Cortlandt Park. Thank you.
一路车到Van Cortlandt公园。谢谢。
I know he will be able to find way there.
我知道他会找到那里的路。
You did a great job.
你做得真棒！