Tetrapolythionate
连四多硫酸盐
🗣️ 情景例句
I understand. I really do.
我能理解， 真的。
The message may even be an original saying written by a member of the family.
格言也可能是家庭某位成员写下来的新颖奇特的有独创性的见解。
Do you have any writing paper?
您有信纸吗？