Unisist
n. 联合国政府间科技情报系统
🗣️ 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
I am Jason Liu and I'm working for an insurance company in Shenzhen.
我叫杰森.刘，在深圳一家保险公司工作。
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，