Poiser
平衡剂(氧化还原反应缓冲剂)
🗣️ 情景例句
The wedding ceremony will be over.
婚礼会结束。
When is grandparents' wedding anniversary?
祖父母的结婚周年是什么时候？
Do you think there is something wrong with the contract?
你认为合同有问题吗？