Quadricentric
四着丝点
🗣️ 情景例句
Mr. Lu, we are very pleased to be able to offer this product to you.
陆先生，我们很高兴能提供这个产品给您。
Do you have any plan for your career?
你对未来有什么计划吗？
No, he isn't.
不，他没有。