Osts
(ost 的复数) abbr. 科学技术局（Office of Science and Technology）
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
God's mill grinds slow but sure.
天网恢恢，疏而不漏。
Most of the parents will not be able to pay much money.
多数家长是付不起很多钱的。