Poiser
平衡剂(氧化还原反应缓冲剂)
🗣️ 情景例句
Haven't you finished balancing that checkbook?
你还没有核对完支票簿帐目吗？
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。
Yes, I'm John Smith.
是的，我是约翰。史密斯。