Salitannol
水杨酸单宁酸缩合产物
🗣️ 情景例句
I see. Is a credit card OK?
我明白了。用信用卡可以吗？
How long have you lived here?
你住在这里多久了？
We always assume that villagers in remote places are friendly and hospitable.
人们总是以为偏僻的地方的村民们热情好客。