Osts
(ost 的复数) abbr. 科学技术局（Office of Science and Technology）
🗣️ 情景例句
What's going on?
你在忙些什么？
There are lees to every wine.
美中有不足。
Whether we find a joke funny or not largely depends on were we have been brought up.
我们觉得一则笑话是否好笑，很大程度取决于我们是在哪儿长大的。