Umer
abbr. unit mass emission rates 单位质量发射率
🗣️ 情景例句
this weekend?
这个周末？
Could you please explain the premises of your argument in more detail?
你能详细说明你们的论据吗？
The group of girls all moved on and had a good drink of tea together, from a modern thermos!
这一群女孩一块儿去享受了一番茶水。她们用得是现代的热水瓶！