Polyhydrate
多水合物
🗣️ 情景例句
Excuse me. Can you help me?
对不起 你能帮帮我吗
Would you consider going north this summer?
你将考虑今年夏天向北去吗？
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。