Ost
abbr. 科学技术局（Office of Science and Technology）
🗣️ 情景例句
Dad, your apple pie is my favorite dessert.
爸爸 你做的苹果派是我最爱吃的甜点。
Opportunity makes the thief.
疏忽招盗贼。
Take my word for it.
相信我的话。