Ost
abbr. 科学技术局（Office of Science and Technology）
🗣️ 情景例句
Are you used to eating western food yet?
你习惯吃西餐了吗？
We may be able to help you in some way.
我们也许能在某些方面帮助你。
The kiwi, which is New Zealand's national bird, is one of these types of flightless birds.
几维，新西兰的国鸟，就是这些不能飞行的鸟类当中的一种。