Unisist
n. 联合国政府间科技情报系统
🗣️ 情景例句
So, what were you two talking about?
你们俩刚才谈什么了？
It's a matter of life and death.
事关生死。
Yes, it's going to be dry and sunny for the next two days.
听了，未来两天天气干燥、晴朗。