Ces
日本通迅技术标准；消费类电子展；环境研究中心
🗣️ 情景例句
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
That's very nice of you. I guess I could use some help.
谢谢你的好意。我想我可能要一点帮助。
How are you getting on with your English lessons?
你的英语课学得怎么样了？